1. chemistry

    if compound forms by ionic bonding, which is not true? A. a positively charged atom or group of atoms attracts a negatively charged atom or group of atoms B. the net cgare of the compound is zero C. the compund consists of just two atoms, each of opposite

    asked by Darius Graham on January 12, 2007
  2. science

    Mei-Ling is given the task of studying the compound calcium bromide. Before she even begins her research, what information can Mei-Ling obtain from the compound's chemical name alone? Select all that apply. She can tell that the compound forms molecules.

    asked by macie on May 14, 2019
  3. Chemistry

    6. Which one of the following statements about chemical bonding is not correct? a) Ionic bonding occurs when one atom donates electrons to another. b) When atoms bond, the resulting compound is of a lower energy state than that of the combining atoms. c) A

    asked by Many on November 13, 2012
  4. chemistry - DrBob?

    Hi! Can you tell me if I chose the right options for my chemistry homework? My answers are at the bottom. 1. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent

    asked by Tiffany on November 2, 2014
  5. Chemistry

    Hi! Can you tell me if I chose the right options for my chemistry homework? My answers are at the bottom. 1. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent

    asked by Tiffany on November 2, 2014
  6. Chemistry (Check)

    True, False, or Sometimes true 1)A bond in which one atom contributes both bonding electron is called a polyatomic covalent bond.(True) 2)Carbon forms four single covalent bonds with other atoms. (Fales) True, False, or Sometimes true 1)A bond in which one

    asked by Bryan on December 15, 2006
  7. Physical Science

    10. The more compact a metal is, the less brittle it becomes. -True? I'm confused about this one because of what the textbook says: "the more compact the atoms become, the harder the metal becomes. While the compactness makes the metal hard, a fracture on

    asked by mysterychicken on May 2, 2013
  8. Physical Science

    10. The more compact a metal is, the less brittle it becomes. -True? I'm confused about this one because of what the textbook says: "the more compact the atoms become, the harder the metal becomes. While the compactness makes the metal hard, a fracture on

    asked by mysterychicken on May 2, 2013
  9. Physical Science

    true or false in an atom, negatively charged electrons surround a positively charged nucleus

    asked by Dallas on May 9, 2011
  10. A&P

    Compare ionic, covalent, and hydrogen bonding, and fully describe an example of each. Is this right and I need help with an example of a covalent bond. Ionic bond is formed from one metal and one non metal. It is a solid at room temperate. In an ionic bond

    asked by Danielle on November 14, 2010
  11. Sorry- Chemistry / Ionic Bonding

    Hello My exams are coming I'm a straight A student .. the problem however is : My textbooks , teacher and every piece of work that he gives us is complicated can someone explain me how Ionic Bonding works . Please I really beg you... I need your help! My

    asked by Sasha on June 7, 2007
  12. Chemistry Bonding

    Scandium Sulfide. Would i be correct in thinking that the bonding associated with this compound is Ionic. I think this as the two ions involved are oppositely charged? If im wrong could you please tell me why. Thanks so Much in Advance.

    asked by Alice on June 2, 2010
  13. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

    asked by Victoria on December 13, 2012
  14. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

    asked by Victoria on December 13, 2012
  15. Chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

    asked by Victoria on December 13, 2012
  16. Chemisty

    Aluminum hydroxide forms a positively charged sol. Which of the following ionic substances should be most effective in coagulating the sol? NaCl CaCl2 Fe2(SO4)3 K3PO4

    asked by Lauren on February 9, 2008
  17. Chemistryy

    Identify the observations of Ernest Rutherford's experiment with the gold foil. Where he experimented on alpha particles and deflection. Check all that apply.... 1) a positive charge is spread equally over the atom 2) THE MAJORity of the space inside the

    asked by Dalton on August 29, 2011
  18. Science

    1. An atom that loses or gains electrons is called a(n)____. isotope proton neutron ion*** 2.Which subatomic particles are most involved in chemical bonding? protons electrons*** neutrons isotopes 3.The main types of chemical bonds are___. ionic, covalent,

    asked by Sam on September 7, 2017
  19. Chemistry

    Hi I have two questions and I was hoping someone could help me with them. 1. Classify the following compounds as ionic or covalent a. MgCl2 b. Na2S c. H2O d. H2S 2. Which compound in each pair exhibits the stronger intermolecular hydrogen bonding? a. H2S

    asked by Alekya on August 2, 2007
  20. Chemistry;Check?!

    Can you check these? Strong attractive forces that keep atoms connected together are called _____. A. valence electrons B. chemical bonds C. cations D. anions Which of the following is NOT a type of bonding that occurs between atoms? A. covalent bonding B.

    asked by Victoria on December 14, 2012
  21. Chem

    Which of the following statements is (or are) true? I Hydrogen bonds occur between two hydrogen atoms. II Hydrogen bonding occurs between a hydrogen atom and an oxygen atom within a molecule. III Hydrogen bonding requires a molecule containing a large

    asked by Jessie on August 19, 2016
  22. Chemistry

    What specific evidence from the gold foil experiement led Rutherford to come to each of the following conclusions? The nucleus occupies very little space in the atom. Answer:He shot alpha particles through thin sheet of gold and discovered some were

    asked by Anonymous on October 2, 2016
  23. Science

    Which of the following statements is not consistent with the results obtained in Rutherford’s gold foil experiment? A. The nucleus of an atom is positively charged. B. The nucleus of an atom contains almost all the mass of the atom. C. Atoms are composed

    asked by Ms. Sue Please help me on June 7, 2016
  24. Chemistry

    Which of the following statements is not consistent with the results obtained in Rutherford’s gold foil experiment? A. The nucleus of an atom is positively charged. B. The nucleus of an atom contains almost all the mass of the atom. C. Atoms are composed

    asked by quick help needed on June 7, 2016
  25. chemistry

    Carbon reacts with chlorine and hydrogen to form the compound CH3Cl. (a) Construct the structure of CH3Cl. What is the dominant form of secondary bonding for CH3Cl? Dipole-dipole interactions, London dispersion forces, Covalent bonding, Ionic bonding

    asked by adex on March 18, 2013
  26. Chemistry

    Answer these questions about NaCl also known as table salt: 1. What is the name of the compound? 2.Are there any other names that it is known by? If yes, then please list them. 3.What is the chemical formula of the compound? Is it an ionic or covalent

    asked by Rea on March 1, 2015
  27. Chemistry

    Please check. HCl: dipole-dipole interaction HF: hydrogen bonding TiCl4: ionic bonding? CsCl:ionic bonding

    asked by Sanaya on January 29, 2016
  28. Physics

    Exactly what is a positively charged hydrogen atom?

    asked by Shelly on April 17, 2008
  29. physical science

    6. If one body is positively charged and another body is negatively charged, free electrons tend to [A. move from the negatively charged body to the positively charged body.] B. remain in the positively charged body. C. remain in the negatively charged

    asked by jake on March 6, 2012
  30. Chemistry

    What happens when the nucleus of one atom attracts a pair of shared electrons more strongly than the nucleus of the other atom in the bond? If a molecule is polar as a result of a polar covalent bond, which end is positively charged and which end is

    asked by Balls on November 18, 2012
  31. Chemistry

    what happens when the nucleus of one atom attracts a pair of shared electrons more strongly than the nucleus of the other atom in the bond? If a molecule is polar as a result of a polar covalent bond, which end is positively charged and which end is

    asked by Chem Freak *not really* on November 18, 2012
  32. Chemisty

    Aluminum hydroxide forms a positively charged sol. Which of the following ionic substances should be most effective in coagulating the sol? NaCl CaCl2 Fe2(SO4)3 K3PO4 The idea behind coagulating sols is to use those salts that have the highest + and -

    asked by Lauren on February 11, 2008
  33. Chemistry

    Aluminum hydroxide forms a positively charged sol. Which of the following ionic substances should be most effective in coagulating the sol? NaCl CaCl2 Fe2(SO4)3 K3PO4 The idea behind coagulating sols is to use those salts that have the highest + and -

    asked by Lauren on February 11, 2008
  34. chemistry

    What is the positively charged part of an atom called? electron or proton

    asked by junior on September 13, 2010
  35. Science ~CHECK MY WORK PLEASE~

    A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is likely A. From Group 17 ********** B. From Group 1 C. From Group 15 D. A Noble Gas

    asked by Jessica on January 28, 2014
  36. science

    1) When an alkali metal is involved in a chemical reaction with a nonmetal, what charge will its atoms most likely form? 1- 2+ 1+ 2- 2) Which properties increase when moving down a group of the periodic table? Select all that apply. reactivity valence

    asked by help me please on December 11, 2018
  37. science

    rutherford = an atom is mostly empty space with a dense positively charged nucleus in the center do you agree

    asked by sam on November 3, 2007
  38. Chemistry

    Can you provide me with some, at least two, examples each of the Limitations of the following chemical bondings; ionic bonding theory, coordinate bonding theory, covalent bonding theory and metallic bonding theory.

    asked by Elie on August 8, 2012
  39. MJ Science 3

    Q 1 A geographical area where plants, animals, the landscape, and the climate all interact together is called a(n) environment**** ecosystem biome food web Question 2(Multiple Choice Worth 4 points) The process of sharing electrons between two atoms is

    asked by Stone on May 17, 2017
  40. MJ Science 3

    Q 1 A geographical area where plants, animals, the landscape, and the climate all interact together is called a(n) environment ecosystem**** biome food web Question 2(Multiple Choice Worth 4 points) The process of sharing electrons between two atoms is

    asked by Stone on May 17, 2017
  41. chemistry

    Li+Cl=>LiCl ionic bonding atoms valence electrons electron transfer from/ to each atom and ions formed in the product??

    asked by Robert23 on October 26, 2014
  42. Chemistry

    Cite the three pieces of evidence that caused Rutherford to conclude that the atom had a tiny, positively charged center (nucleus).

    asked by Maddie on February 14, 2008
  43. chemistry

    Many ionic compounds have high melting points because a lot of energy is required to break the strong ionic bonds. So after breaking the ionic bonds, the ionic compound becomes a liquid. How do you explain why the ionic compound also has high boiling

    asked by jess on April 4, 2009
  44. Science--Help.

    Which of the following is NOT one of the eight most common elements in Earth’s continental crust? carbon silicon oxygen aluminum The most abundant element in Earth’s continental crust (by weight) is _____. 2. oxygen silicon calcium iron 3. The central

    asked by Anonymous on September 23, 2014
  45. chemistry

    What is the dominant form of secondary bonding for CH3Cl? Dipole-dipole interactions London dispersion forces Covalent bonding Ionic bonding

    asked by adex on March 12, 2013
  46. Chemistry

    True/False 1. Diatomic molecules contain two atoms?T 2. Electrons travel in pairs? T 3. The energies needed to break chemical bonds can be measured T 4. Bonding involves all the electrons in an atom T 5. Lewis structures are used to describe bonding? F 6.

    asked by Chem on January 16, 2011
  47. Chemistry

    The forces holding together an ionic solid are much stronger than the forces between particles in a molecular solid. How are these strong forces reflected in the properties of an ionic solid? a) strong hydrogen bonding exists between discrete molecules b)

    asked by Jake on May 1, 2010
  48. chemistry

    When compared to compound B, compound A has lower melting and boiling points and vaporizes more readily. Is compound A an ionic compound or a molecular compound? A. Ionic B. Molecular I say B

    asked by shana on November 10, 2012
  49. Chemistry

    11. Semiconductors (metalloids) have properties of both metals and nonmetals.-T? 13. Covalent bonding occurs when electrons are transferred from one atom to another.- F? 17. Bonding involves all the electrons in an atom.- T? 20. Nonpolar bonds form when

    asked by mysterychicken on October 24, 2010
  50. science dr. bob

    An atom is made of positively charged pudding like material through whic hnegatively cahrged particels are scattered I put thompson - now I am not sure after reading winnepedia maybe rutherford??

    asked by sam on November 2, 2007
  51. 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
  52. Science please help

    Draw Bohr diagrams of a magnesium atom bonding with fluorine atoms. Draw atoms then electron transfer and finally the ions that form. What type of bonding occurs? Draw Bohr diagrams of 2 hyrdogen atoms bonding with an oxygen atom by sharing electrons to

    asked by Anonymous on March 3, 2014
  53. Chemistry

    What compound forms when one molecule of HCl and one molecule of NH3 combine? It is an ionic compound. I am not sure how to find this out. I thought is was H3O but that is not right.

    asked by Hannah on January 13, 2012
  54. Coordination

    Is coordination the same as ionic bonding? Sheryl As I understand coordination, as in coordination number, no. It is more covalent or more precisely called coordinate covalent if we are talking abouat the same thing. Then I guess 'salt formation' would be

    asked by Sheryl on October 21, 2006
  55. chemistry

    A non-metal element which lies in the third row of the Periodic Table forms a gaseous compound H2Y with hydrogen and the compound Li2Y with lithium, which has a solid crystalline structure and a high melting point (greater than 900 °C). • A non-metal

    asked by joleen on January 30, 2011
  56. Natural science

    What will happen if a positively charged glass rod is brought near another positively charged glass rod that is suspended by a silk thread

    asked by Rethabile on July 22, 2018
  57. Natural science

    What will happen if a positively charged glass rod is brought near another positively charged glass rod that is suspended by a silk thread

    asked by Rethabile on July 23, 2018
  58. Physical Science

    .In the early 1900s, two associates of New Zealander Ernest Rutherford bombarded thin sheets of gold with positively charged subatomic particles. They found that most of the particles passed right through the sheets but some bounced back as if they had hit

    asked by Dan on September 3, 2010
  59. Chemistry

    My ONLY three questions I need help on! I did the other 50 something already!(: Why are covalent bonds weak in the presence of heat but strong in the presence of water? What are the 5 rules for ionic bonding? Give an example of a compound that is

    asked by marie(: on August 24, 2011
  60. Chemistry

    Explain how a non metal atom becomes negative. Lose an electron, become negative. Bob Pursley isn't at his computer right now but I don't think he would mind if I explained that ADDING an electron to a non-metal makes it become negatively charged. I agree

    asked by Mani on April 18, 2007
  61. Chemistry

    #1) The Lewis structure of PF3 shows that central phosphorus atom has ___ nonbonding and ___ bonding electron pairs. #2) How many equivalent resonance forms can be drawn for CO3^-2? (carbon is the central atom) #3) The bond angle in NF3 is slightly less

    asked by Diana on May 21, 2009
  62. 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
  63. chemistry

    when aqueous solutions of sodium carbonate and manganese(V) chloride are mixed, a precipitate forms. The precipitate is a compound containing manganese. I have to write the chemical, complete ionic, and net ionic equations for it.

    asked by Lola on February 16, 2010
  64. Physics

    A hydrogen atom consists of a positively charged proton (nucleus) and a negatively charged electron. The following is correct due to Coulomb's law: a.The two particles repel each other b.The electron accelerates toward the proton c.The electron and proton

    asked by Sammy on February 5, 2010
  65. chemistry

    which pair of atom will combine chemically to give an ionic compound? a)H and U b)O and S C)F and CA d)NA and CL

    asked by Anonymous on January 20, 2011
  66. SCIENCE

    What type of bonding holds the compound, sodium cyanide, together? The CN bond is covalent. The Na to CN bond is, in most minds, an ionic bond. The electronegativity of C is about 2.1 and that of Na is about 1; therefore, with a difference of about 1 it is

    asked by MARK on February 7, 2007
  67. university of the south Pacific

    Is sodium chloride an Ionic bonding or covalent bonding?

    asked by Krishna on April 6, 2008
  68. chemistry

    what is an ionic compound that forms an acid-base neutralization reaction?

    asked by megan on July 5, 2011
  69. chemistry

    Which of the following describes the compound Mn(NO2)2? If the compound dissolved in water it would be a strong electrolyte. The compound is ionic. The compound would conduct electricity if molten. The compound is molecular. The compound would be expected

    asked by Jesus on February 18, 2009
  70. Physics - Ionic bonding

    Hello My exams are coming I'm a straight A student .. the problem however is : My textbooks , teacher and every piece of work that he gives us is complicated can someone explain me how Ionic Bonding works and when we're taking about this table here can

    asked by Sasha on June 7, 2007
  71. chem please explain to me!

    can someone please elpain to me the formation of binary ionic compounds from its constituent element. cuz I don't understand! thanks I really thank you guys alot! What grade are you in? Do you know about s and p orbitals? um.. why does it matter??? and I

    asked by carol on June 17, 2006
  72. Science

    Why does my hair stand on end when I take off my hat on a cold, dry day? Everything you see is made up of atoms. They contain even smaller particles, called protons and electrons. Protons have positive electrical charges and they never move. Electrons have

    asked by HERSHEYS on April 19, 2007
  73. Chemistry

    Which of the following is NOT true? (A) CH2O Has a relatively high boiling point due to hydrogen bonding. (b) BaCl2 is an example of an ionic sold. (c) Ionic solids are poor conductors of heat and electicity. (d) The melting point of Fe is higher than

    asked by Bouforyou on February 10, 2010
  74. chemistry

    Read the two statements below about the compounds H2Y, Li2Y, HZ and KZ and then answer the questions that follow: A non-metal element which lies in the third row of the Periodic Table forms a gaseous compound H2Y with hydrogen and the compound Li2Y with

    asked by Anonymous on February 6, 2011
  75. english..

    Can someone help me change up the words? A positively charged drum has the image drawn on it with a laser. The areas touched by light become negatively charged. Positively charged toner particles are attracted to the negative areas on the drum. The drum

    asked by thez on February 16, 2015
  76. biology

    WHAT IS THE DIFFERENCE BETWEEN COVALENT BONDING AND IONIC BONDING????

    asked by Kelsey on October 23, 2007
  77. Chemistry

    An unknown metal, m, forms an ionic compound with the formula, M2S3. Which formula represents the compound formed by the metal with oxygen? a) MO b) MO2 c) MO3 d) M2O3

    asked by Anonymous on May 7, 2017
  78. science help

    One group of students is investigating the properties of charged objects. Their observations are listed below. When two positively charged objects are brought close to each other, they push each other away. When two negatively charged objects are brought

    asked by Oscar on December 1, 2015
  79. Physics

    A neutral ball is suspended by a string. A positively charged insulating rod is placed near the ball, which is observed to be attracted to the rod. Why is this? 1. The ball becomes negatively charged by induction. 2. The string is not a perfect conductor.

    asked by Lynn on July 23, 2013
  80. Electricity and Electronics

    If one body is positively charged and another body is negatively charged, free electrons tend to A. move from the negatively charged body to the postively charged body. B. move from the postively charged body to the negatively charged body. C. remain in

    asked by Mikaela on August 22, 2012
  81. Chemistry

    In our text book, the formula for finding the formal charge of an element in a compound is c(sub f) = X - (Y + Z/2) where x = the number of valence electrons y= the number of unshared electrons owned by the atom z= the number of bonding electrons shared by

    asked by Alexa on December 6, 2006
  82. h bonding

    which exhibits hydrogen bonding (there can be more than 1) 1. IF7 2. SiH4 3. CH3CH2OH 4. (CH3)2CHOH 5. PCl3 6. CH3CHCHCH3 * do you have any tips for figuring it out? H bonding, by definition, takes place with H of one molecule and a highly electronegative

    asked by christine on February 1, 2007
  83. physical science

    plse make sure these are correct 1.When an atom loses an electron is.. a. becomes a negative ion. b. becomes a positive ion. c. forms a covalent bond. d. gains protons is the answer D 2.Which of these is a property of an ionic compound? a. low melting

    asked by Amy on November 17, 2008
  84. Science

    In a classroom experiment, a student rubs a comb against her hair. The child is then brought near bits of paper resting on a surface. Which of these can be concluded if the comb picks up bits of paper? A. The comb is an insulator, but paper conducts

    asked by Landon on April 24, 2019
  85. help SCIENCE help

    What is the difference between an atom, compound, and mineral??????? Please help, Thanks Atom= matter in the form of small units Compound= elements chemically combined Mineral= inorganic nutrients that regulate many chemicals in the body for definition of

    asked by Katie on December 5, 2006
  86. Chemistry

    Write a formula for the ionic compound that forms between each of the following pairs of elements. 1. aluminum and oxygen Express your answer as a chemical formula. AlO and Al2O3 and Al2O3 the 2 was the bottom right cornor and I got this message Use

    asked by Lisa on October 15, 2010
  87. science

    an atom is made of a positively charged nucleus surrounded by a large region in whci hscientists can predict where an electron is likey to be found. I think this is attributed to rutherford choices are: rutherford, wave model, thompson, dalton or bohr.

    asked by sam on November 2, 2007
  88. Physical science

    What happens when an atom gives up loosely held valence electrons to another atom? A. The two atoms form a mixture. B. A chemical bond forms between the two atoms. C. A chemical compound splits into separate elements. D. The two atoms combine to create an

    asked by BleakTuber on December 21, 2018
  89. Physical science

    What happens when an atom gives up loosely held valence electrons to another atom? A. The two atoms form a mixture. B. A chemical bond forms between the two atoms. C. A chemical compound splits into separate elements. D. The two atoms combine to create an

    asked by BleakTuber on December 20, 2018
  90. Chemistry 106

    An unidentified metal forms an ionic compound with the carbonate anion. The metal forms a 2+ cation. If the minimum ration of the number of protons in the metal to the oxygen protons s 5:6, what is the metal?

    asked by Samantha on October 13, 2010
  91. Chemistry

    Check answers? 1) Why did J.J. Thomson reason that electrons must be a part of the atoms of all elements? A) Cathode rays are negatively charged particles**** B) Cathode rays can be deflected by magnets C) An electron is 2000 times lighter than a hydrogen

    asked by Mary on October 7, 2016
  92. MS. SUE HELP- Chemistry

    Check answers? 1) Why did J.J. Thomson reason that electrons must be a part of the atoms of all elements? A) Cathode rays are negatively charged particles**** B) Cathode rays can be deflected by magnets C) An electron is 2000 times lighter than a hydrogen

    asked by Mary on October 7, 2016
  93. chemistry

    Is it true that the greater difference in electronegativity in an ionic compound, the greater attraction between the elements in the compound?

    asked by jake on September 23, 2010
  94. Chemistry-Bonding

    Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). a.) O with F _________ b.) Ca with Cl __________ c.) Na with Na _________ d.) U with Cl

    asked by Mary on November 13, 2009
  95. Chemistry

    Put in order from strongest to weakest: London Dispersion Forces, Hydrogen Bonds, Dipole-dipole interactions, ionic bonding, and covalent bonding.

    asked by Lelia on February 8, 2010
  96. Science 11th grade

    In an ionic compound, what is the net ionic charge? and what compound does an -ide ending generally indicate?

    asked by Jeff on January 9, 2007
  97. physics

    two charged plates are 2mm apart. An electron escapes from the negatively charged plate and reaches the positively charged plate in 1.2*10^-8 seconds. Find the electric field between the plates?

    asked by Nowah on July 24, 2012
  98. physics

    two charged plates are 2mm apart. An electron escapes from the negatively charged plate and reaches the positively charged plate in 1.2*10^-8 seconds. Find the electric field between the plates?

    asked by Nowah on July 24, 2012
  99. chemistry

    The structure of tryptophan is shown at the right along with the pK values of the α-carboxyl and α-amino groups. (pK1=2.38; pK2=9.39) Tryptophan is a diprotic acid which can exist in three protonated forms: H2A , HA0, and A–. (HA0 consists primarily of

    asked by xs on September 28, 2014
  100. chem

    1. under what circumstances is the molecular geometry around a single central atom the same as the electron group geometry around the central atom? 2.If all of the electron groups around a single central atom are bonding, and the same outer atom is bonded

    asked by natash on April 28, 2008