1. Science

    How do I determine the amount of electrons in highest occupied energy level? Thanks The elements in Carbon-12, Atomic Number =6, Neutron 6, Electron=6, and Proton= 6. How would I find the electrons in highest occupied energy level?

    asked by Shadow on September 13, 2011
  2. Chemisty

    how do you determine how many electrons are in the highest occupied energy level? For example many electrons are in the highest occupied energy level Group 3A Count them up. For example, you know 1s2, 2s2, 2p6, 3s2, 3p6, etc etc. You can go to

    asked by Bryan on October 31, 2006
  3. Chemistry

    How do i determine how many electrons are in the highest occupied energy level? For Example how many electrons are in the highest occupied energy level group 3A I answered this for you when you first posted yesterday (last night). Tell us what you don't

    asked by Bryan on November 1, 2006
  4. Chemistry

    1) The letter "p" in the symbol 4p^3 indicates the ___. A) spin of an electron B) orbital shape*** C) principal energy level D) speed of an electron 2) If the spin of one electron in an orbital is clockwise, what is the spin of the other electron in that

    asked by Mary on October 10, 2016
  5. chemistry

    How many electrons are in the highest occupied energy level of these atoms? Na(sodium) Al (aluminum) F(fluorine) C(carbon)

    asked by james on February 8, 2012
  6. Chemisty

    Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p3. A. What is the symbol for this element? B. What is the atomic number of this element? C. How many unpaired electrons does an atom of this elelemt have? D.

    asked by Joe on October 20, 2013
  7. Chemisrty

    Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1. A. What is the symbol for this element? B. What is the atomic number of this element? C. How many unpaired electrons does an atom of this elelemt have?

    asked by Kristen on October 20, 2013
  8. chemistry

    Which of following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B.In it's outermost energy level, oxygen has 4 valence electrons. C. The second energy level holds a maximum of eight electrons.

    asked by Yui on August 23, 2014
  9. chemistry

    Which of the following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B. In its outermost energy level, oxygen has 4 valence electrons C. The second energy level holds a maximum of eight

    asked by Emiko on September 2, 2014
  10. chemistry

    which of the following statements correctly describes energy levels? A. Electrons can never move to a higher or lower energy level. B. In its outermost energy level, oxygen has 4 valence electrons C. The Second energy level holds a maximum of eight

    asked by Hideko on September 6, 2014
  11. Chem help

    Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1. A. What is the symbol for this element? B. What is the atomic number of this element? C. How many unpaired electrons does an atom of this elelemt have?

    asked by Lena on October 17, 2012
  12. Chemistry

    An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1? 2 ev 4 ev 8 ev 12 ev What is the best

    asked by bigurl1.4 on October 31, 2013
  13. chemistry

    Using a periodic table, determine the number of electrons held in energy levels 1-3 of each atom. B----2 in level 1--3 in level 2--0 in level 3 C--2 in level 1--4 in level 2--0 in level 3 Mg--2 in level 1--8 in level 2--2 in level 3

    asked by kr on February 5, 2012
  14. Chemistry

    In the recent Chem Activities, we have been learning about how Coulombic attractions and repulsions determine properties of atoms like ionization energy and atomic radius. We have made two assumptions not completely justified by the data we had up to this

    asked by Caitlin on September 26, 2011
  15. Chemistry

    Did I answer these correctly? 1. What is the total number of principal energy levels or shells in an atom with an atomic number of 30? a. 3 b. 4 c. 5 d. 6 I choose b. 2. The electron configuration of an atom in the ground state is 2-4. The total number of

    asked by timmy123 on October 16, 2010
  16. Chemistry - is this correct?

    Write the electronic configuration for nickel(#28). I know it is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8 (b) How many electrons are there of highest energy in nickel? Is it 8? (c) how many electrons are there in the outermost energy level(orbit) of nickel? Is

    asked by Anonymous on October 28, 2013
  17. biology

    Picture true of false The atom shown in the diagram has 4 energy levels or shells. 2. The atom shown in the diagram above has a total of 5 electron orbitals. 3. Each energy level consists of 2 or more orbitals. 4. The second energy level consists of 4

    asked by Anonymous on February 11, 2016
  18. Science/Chemistry

    How many electrons can occupy a single molecular orbital? and Alumimum is a group 3A metal, Which ion does A1 typically form? I'm thinking Al3+ Your first question depends on the molecule involved and how it is bonded. Hybrid molecular orbits can be

    asked by Devon on January 10, 2007
  19. Chemistry

    Last ones: 32. There could be eight electrons in the first energy level.- F? 33. The first energy level can have only one sublevel.- F? 34. When electrons move from a high energy excited state to a low energy ground state, energy is absorbed by the atom.-

    asked by mysterychicken on October 21, 2010
  20. science

    getting ready to turn this in just want to check my answers any takers?? 1. In an atom, electrons ____. (1 point) are located in the nucleus are paired with neutrons are located in the electron cloud are always in the same place 2. The maximum number of

    asked by T-mara on April 11, 2013
  21. Chemistry

    Which statement concerning the electrons surrounding the nucleus of an atom is NOT correct? a) When 2 electrons pair together, they have opposite spins. b) The number of the electrons in an isolated neural atom is equal to the atomic number c) The second

    asked by Peter on September 27, 2012
  22. Chemistry (Electrons in Atoms)

    True or False. 1)Electrons give off light as they drop to lower energy levels. 2)Electrons travel around the nucleus as waves. 3)A photon of low frequency light has more energy than a photon of high frequency light. 4)Orbitals with equal energy levels each

    asked by Jennie on May 22, 2011
  23. Chemistry

    Name an element that has 5 electrons in the third energy level. How do i determine the third energy level Row three on the periodic table is third energy level If memory serves me will, it begins with sodium. Ok. iS Krypton the electron configuration that

    asked by Bryan on November 12, 2006
  24. chem

    the atom of element A has 2 electrons in its highest energy level N. a)what is the special name given to elements in the same gp as A? i answered as alkali earth metal because the valence electron is 2. am i right?

    asked by Yuni on September 27, 2011
  25. biology

    Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to ­­­­­­­­­_____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore

    asked by hannah on November 6, 2013
  26. biology

    Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to ­­­­­­­­­_____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore

    asked by hannah on November 5, 2013
  27. science

    Which of the following statement is correct a. There are 7 principal electron energy levels. b.The second principal energy level has 4 sub-energy levels and contain a max. Of 8 electrons. c.The principal energy level N can have a max. Of 32 electrons. D.

    asked by Bhuwneshwari Bawa on July 6, 2017
  28. Chemistry

    24. A quantum is a finite amount of energy gained or lost by an atom.- F? 25. An atom is in an excited state when it has its lowest energy.- F 26. The Bohr model of the atom shows electrons in areas called energy levels.- F? 27. The principal quantum

    asked by mysterychicken on October 21, 2010
  29. chemistry

    For each, give the total number of electrons, the number of valence electrons, and the number of the energy level that holds the valence electrons. Br-35 electrons--7 valence--4th level Kr-36 electrons--8 valence--4th level As-33 electrons--5 valence--4th

    asked by kr on February 5, 2012
  30. chemistry

    How many electrons are in the highest energy orbital of the element copper? There is 1 in the outermost shell but what about the highest energy orbital?

    asked by Anonymous on May 3, 2016
  31. Science ENGR

    Consider a laser which emits photons with a wavelength of 1.55 micrometers. The laser has a lower electron level Ei and an upper electron level Eu. A power supply pours electrons into the upper energy level and these electrons fall down in a time T= 0.1

    asked by Pam on November 19, 2006
  32. Biology

    These are true and false questions and I want to be sure of my answers. Please someone check. Thanks: The eight-element periodicity found in the Periodic Table is related to the number of electrons in the outermost energy level of the atoms that make up

    asked by Cad on September 3, 2011
  33. Biology

    These are true and false questions and I want to be sure of my answers. Please someone check. Thanks: The eight-element periodicity found in the Periodic Table is related to the number of electrons in the outermost energy level of the atoms that make up

    asked by Cad on September 3, 2011
  34. CHECK answers science

    my answer has the **** 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom***** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron*** 3. Who provided

    asked by Anonymous on January 25, 2017
  35. Check my answers, Physical science

    my answer has the **** 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom***** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron*** 3. Who provided

    asked by Anonymous on January 24, 2017
  36. Physical Science

    Please just help with these few! Also, these are my answers. Which statement accurately describes how electrons are arranged in Bohr's atomic model? electrons travel randomly in the large space outside the nucleus electrons travel around the nucleus in

    asked by Connexus. PLEASE HELP on October 10, 2018
  37. Science

    1. groups/ family of elements are ones which: A. Have the same number of electrons in the valence/ outer engery level B. Have exactly 8 electrons in the valence shell outer energy level C. Have the same number of protons in the nucleus 2. A period

    asked by Mileena on March 6, 2017
  38. Science

    1.The Bohr model of the hydrogen atom is best described as: 1. A large lump of chocolate chip cookie dough with electrons as the chocolate chips; those of higher energy are on the outside surface of the lump 2. Similar to Saturn with electrons of varying

    asked by Sarah on February 13, 2015
  39. Chem

    I was asked to fraw the energy level diagram for carbon. Carbon has 6 electrons so would the 2s and 2p orbitals both be half full? 1s = 2 electrons 2s= 1 electron 2p = 3 electrons

    asked by Lena on July 7, 2009
  40. Astronomy

    What percentage of the energy budget do electrons occupy? Take the energy budget occupied by matter to be 4.4%. (a) 3.9% (b) 0.1% (c) 0.03% (d) 0.002%

    asked by qwerty on October 1, 2013
  41. chemistry

    Which statement correctly describes an atom of the element helium? A. An atom of helium has its valence electrons in it's first energy level. B. An atom of helium most similarly behaves like an atom of hydrogen since it is in the same period. C. An atom of

    asked by Yui on August 23, 2014
  42. chemistry

    True or False: When atomic electrons are excited to a higher level, they always return to their lowest energy level by jumping down on level at a time.

    asked by Anonymous on December 12, 2019
  43. science

    Electrons that have the highest energy are _____. A. nuclear electrons B. part of the nucleus C. closest to the nucleus D. valence electrons Im not going to say an answer becuse I have no clue what it is and I dont want to get accused of guessing so do you

    asked by I would love some help! on February 1, 2018
  44. Chemistry

    Energy Level Transfer of Hydrogen's electron. For each line, determine the prinicpal energy level to which hydrogen's electron was excited. When the electron fell to the 2nd level, energy was released corresponding to each of the lines. E= 2.179X10-18

    asked by Melody on November 7, 2012
  45. Chemistry

    An atom contains a total of 25 electrons. When the atom is in the ground state, how many different principal energy levels will contain electrons? a. 1 b. 2 c. 3 d. 4 I really don't get this because I thought energy levels went like 2, 8, 18, 32, and 50,

    asked by timmy123 on October 15, 2010
  46. Chemistry

    Among the following electrons, which has highest energy? a. n = 3, l = 2, m = 0, s = + 1/2 b. n = 4, l = 0. m= 0 , s = - 1/2 Ans is A... but how A? Why nOt B?

    asked by Nabsha on October 9, 2016
  47. physics

    an object is projected at an angle of 60 degrees to the horizontal with an initial kinetic energy of 2000J.the object reaches the highest point.determine i)kinetic energy ii)potential energy at the highest point

    asked by linges on August 7, 2013
  48. Biology

    What is true of the energy that is passed from one trophic level to the next in a food chain? A)About 10% of the energy passed from one level to the next is released as heat. B)About 10% of the stored energy of one level becomes stored energy at the next

    asked by SkatingDJ on October 1, 2015
  49. Chemistry! HELP;

    An atom of potassium (K) has 19 protons: 18 electrons in its inner electron energy levels and 1 electron in its outer energy level. What is the easiest way for this atom to get a filled outer energy level? What is formed?

    asked by Josh on November 6, 2011
  50. Science

    To become more stable an atom that has two electrons in its outer energy level will gain two electrons A.) True B.) False That false correct?

    asked by Megan on December 8, 2016
  51. chemistry

    help needed in drawing the diagram to show how hydrogen has numerous spectral lines I also need help with this question.... ---------------- ---------------- ---------------- ---------------- ---------------- -------------------- Each line above represents

    asked by ruby on February 6, 2007
  52. Chemistry

    If an element has the atomic number 20, what sublevels are present? It has a p sublevel. The first energy level has an s; the second energy level has an s and a p; the third energy level has an s, p, and d; the fourth energy level has an s. It has an s

    asked by Quinn on December 21, 2018
  53. chemistry

    Which statement describes the principal quantum number (n)? A. The quantum number that indicates the subshell occupied by an electron B. The quantum number that indicates the energy level of the electron C. A subdivision of an energy level in an atom D.

    asked by Morgan on December 11, 2014
  54. Chemistry

    Which compound has the highest lattice energy? a) CaO b) LiF c) MgO d) NaF I am guessing B because Lithium has the lowest energy level?

    asked by Anonymous on May 7, 2017
  55. science

    I know that every element has only a certain set of allowed energy states & that the exact energy of these states depends upon the number of electrons, but why is the colour of the light emitted by an element (in GASEOUS STATE) characteristic of the

    asked by duncan on February 7, 2007
  56. Chemistry

    Define electronegativity and then describe the trends in electronegativity within groups and across periods in the periodic table. Provide examples of the elements with the highest electronegativity value within a group and an example of an element with

    asked by PLEASE HELP on October 27, 2016
  57. Science

    The maximum number of electrons in the second energy level of an atom is ____. two four eight ten The number of _____ is equal to the atomic number. protons neutrons electrons both a and c

    asked by Raelyn on March 7, 2013
  58. chemistry

    How many dots should be indicated in the electron dot structure of arsenic? How many electrons are in the highest energy orbital of the element copper?

    asked by Ciaria on March 3, 2015
  59. Physics - Electricity

    Can you please check my answers. 1) What carries energy through wire? electrons 2) What happens to some of the energy when it moves through the wire? becomes lost due to the movement of energy requiring some kinetic energy 3) If a resistance is large, why

    asked by xX_Supaman_Xx on November 24, 2007
  60. Chemistry

    Hi, This is one of my chem hw problems. Does anyone have links to websites that might help me solve this..or equations? It sounds like there are two parts to the question but I'm not sure. Volts and Joules? 1. Electrons are used to determine the structure

    asked by Anne on October 27, 2008
  61. biology

    this right: Place numbers beside the statement below to indicate the order of events occurring in the light reactions: 3 low energy electrons at PSI are re-energized by a photon of light 5 electrons energized at PSII jump to a higher lever, as they fall

    asked by I NEED Biology help on March 22, 2008
  62. chemistry final-urgent

    Choose the element with the highest ionization energy element: Na, Mg, Al, P, S In my book: ionization energy increase from left to right and bottom to top. Na

    asked by lianne on December 14, 2010
  63. 12 Biology! URGENT!

    Is this right: Place numbers beside the statement below to indicate the order of events occurring in the light reactions: 3 low energy electrons at PSI are re-energized by a photon of light 5 electrons energized at PSII jump to a higher lever, as they fall

    asked by Photosynthesis on March 22, 2008
  64. 12 Biology! URGENT!

    Is this right: Place numbers beside the statement below to indicate the order of events occurring in the light reactions: 3 low energy electrons at PSI are re-energized by a photon of light 5 electrons energized at PSII jump to a higher lever, as they fall

    asked by Photosynthesis on March 22, 2008
  65. Physics

    At a certain harbour, the tides cause the ocean surface to rise and fall a distance d(from highest level to lowest level) in simple harmonic motion, with a period of 12.5h. How long does it take for the water to fall a distance 0.250d from its highest

    asked by Hui on July 10, 2013
  66. Physical science CHECK my answers

    1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom*** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron***** 3. Who provided the first evidence that

    asked by Anon on May 26, 2017
  67. chem 101

    . In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV. Electrons with this kinetic energy have a

    asked by Anonymous on April 13, 2012
  68. Chemistry

    The delocalized electrons in a long-chain polyene exist in quantum states that can be reasonably approximated by the particle in a one-dimensional box model. The length L of the box is the end-to-end distance. Suppose one such polymer has a length L = 4.00

    asked by Austin on February 10, 2018
  69. Chemistry

    1.How much energy is emitted by 1 mol of sodium ions emitting light at this wavelength? Answer in units of kJ. This is what I did for this problem, but my answer is wrong 45.8 mg = 0.0458 g 0.0458 g / (23.0 g/mol) = 0.001991 mol Na 0.001991 mol x (6.02214

    asked by Anna on February 13, 2015
  70. physics

    In the photoelectric effect, does brightness or frequency determine the Kinetic energy of the ejected electrons? Which determines the number of the ejected electrons?

    asked by coach on December 5, 2009
  71. chemistry

    Select all true statements from the following: a. ) Metals are good conductors of heat and electricity. b. ) Nonmetals generally react by forming covalent bonds (i.e. sharing electrons) or by gaining electrons to form anions. c. ) Halogen atoms have the

    asked by Nathan on October 4, 2008
  72. chemistry

    Select all true statements from the following: a. ) Metals are good conductors of heat and electricity. b. ) Nonmetals generally react by forming covalent bonds (i.e. sharing electrons) or by gaining electrons to form anions. c. ) Halogen atoms have the

    asked by Nathan on October 3, 2008
  73. Chemistry (Follow up post - Dr.BOB22)

    Ionization is when an electron is removed from an atom and ionization energy is the energy required to do this. "Electrons stream from the negative electrode to the positive electrode. In the process of moving from one electrode to the other they knock

    asked by Jessica on November 13, 2011
  74. CHEMISTRY

    On the ionization energy vs. atomic number graph, the peaks, which are Noble Gases, gradually get smaller. Which statement below would best explain that pattern? A Each successive element on the peaks has fewer electrons and that would make ionization

    asked by Sarah PLEASE HELP MEEEEE on August 31, 2017
  75. chemistry

    6. Ligands approaching in a square planar pattern cause some orbitals to be raised in energy. How many orbitals are on the highest energy level? a. A) 1 b. B) 2 c. C) 3 d. D) 4 e. E) 5

    asked by Anon on December 6, 2014
  76. Chemistry

    1) How does the atomic radius change from left to right across a period in the periodic table? A) It tends to decrease*** B)It tends to increase C) It first increases, then decreases D) It first decreases, then increases 2) What is the charge of a cation?

    asked by Mary on October 17, 2016
  77. Chemistry

    1) How does the atomic radius change from left to right across a period in the periodic table? A) It tends to decrease*** B)It tends to increase C) It first increases, then decreases D) It first decreases, then increases 2) What is the charge of a cation?

    asked by Mary on October 18, 2016
  78. chem 101

    In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV. Electrons with this kinetic energy have a

    asked by Anonymous on April 15, 2012
  79. chemistry

    When electrons move from the fourth energy level to the second energy level, they emit visible light. Explain why the light emitted when an electron makes this move in a sodium atom is a different color that the light emitted by an electron moving from the

    asked by Allura on November 21, 2011
  80. Chemistry

    All of the following are true EXCEPT; A. the n=4 energy level has no f orbitals B. the 2p orbitals can have a maximum if 6 electrons C. the s orbital has a spherical shape D. there are 5 orbitals in a set E. the n=3 energy level has a set of d orbitals.

    asked by Lauren on November 18, 2007
  81. Physics

    Which of the following summarizes Rutherford's model of the atom? a. Electrons are embedded in a positive region of spherical dimension. b. Electrons revolve around the nucleus without emitting radiation. c. Electrons revolve around the nucleus like

    asked by Sam on November 6, 2015
  82. Chemistry

    The energy (in joules) of an electron energy level in the Bohr atom is given by the expression: En = -2.179E-18/n2 J where n is the quantum number that specifies the energy level. What is the frequency in Hz of the radiation emitted when an electron falls

    asked by Steve on October 21, 2013
  83. physics

    Which of the following summarizes Rutherford's model of the atom? Choose one answer. a. Electrons are embedded in a positive region of spherical dimension. b. Electrons revolve around the nucleus without emitting radiation. c. Electrons revolve around the

    asked by ashley --- HELP PLEASEE!!! on May 1, 2011
  84. Science

    Would you normally expect neon (Ne) to form compounds? A. Yes, but neon is a rare gas and difficult to obtain. B. No, neon needs six electrons to fill its outermost level. C. Yes, neon needs six electrons to fill its outermost level. D. No, neon has eight

    asked by Anonymous on October 10, 2011
  85. chemistry

    As electrons move from the higher to the lower energy level, they release energy and ________ occurs. excitation ground state emission quantum state

    asked by help me please on October 5, 2015
  86. chemistry

    The energy levels the electron can occupy in the He+ ion can be calculated using the energy level equation. Calculate the frequency (Hz) of the photon emitted when the electron goes from a n= 4.00 energy level to a n= 3 energy level. Express answer in

    asked by tammy on January 31, 2012
  87. Chemistry

    Calculate the energy involved in the transition of an electron in the hydrogen atom from level 5 to level 2. Use the energy to calculate the wavelength of electromagnetic radiation emitted. However, do not change the fractions to lowest common denominator.

    asked by Anonymous on November 5, 2011
  88. Chemistry

    What are the symbols of the family of elements that have seven electrons in their outermost energy level?

    asked by M on January 16, 2008
  89. Chemistry 3A

    what is the maximum number of electrons that may occupy the second electron energy level?

    asked by Gurjot on December 10, 2012
  90. Science

    If neons atomic number is 10 how many electrons are in the outer energy level?

    asked by Melissa on June 10, 2010
  91. Chemistry 3A

    what is the maximum number of electrons that may occupy the second electron energy level?

    asked by Gurjot on December 10, 2012
  92. chemistry

    What number of electrons fit into energy levels higher than the third level?

    asked by madeline on November 9, 2009
  93. Chemistry

    What is the Period 4 element with highest energy level filled. My answer is Kr, but I'm not entirely sure. Is this correct?

    asked by Ceamus Angelina on April 6, 2018
  94. Chemistry

    why does inoinzation energy tend to decrease from top to bottom within a group? i'm not sure, but i think it has something to do with the size of the element The electrons involved in ionization, that is, the outermost electrons, are farther away from the

    asked by Mark on October 31, 2006
  95. Science

    Explain, with the help of an appropriate labelled sketch diagram, how a hydrogen atom, which has only one electron, has so many spectral lines. The diagram of the energy levels follows: --------------- --------------- --------------- -----------------

    asked by Adam on March 6, 2007
  96. chemistry

    The following describes the process of an atom emitting light. Place the steps in order: (I already know the first two steps are: 1. Energy is absorbed by electrons and excitation occurs and 2. Electrons move from the ground state to the excited state.)

    asked by What Teh Heck on October 5, 2015
  97. chemistry

    What is the difference between the ionization energy of inner-shell electrons and the ionization energy of outer-shell electrons? A. The ionization energy of inner-shell electrons is less than the ionization energy of outer-shell electrons. B. They are

    asked by Morgan on December 12, 2014
  98. Ap Chemistry

    What is the difference between the ionization energy of inner-shell electrons and the ionization energy of outer-shell electrons? A. The ionization energy of inner-shell electrons changes with respect to the ionization energy of outer-shell electrons. B.

    asked by Damien on January 25, 2018
  99. science atoms

    Elements having 3 or fewer electrons in the outer energy level are classified as ____________________.

    asked by Twilight lover on February 8, 2009
  100. Chemisty

    Write the symbols of the family of elements that have seven electrons in their outermost energy level.

    asked by M on January 16, 2008