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July 23, 2014

Search: Chemistry (Electrons in Atoms)

Number of results: 46,517

chemistry
Electrons are one of the most important components in atoms. Compare and contrast how the electrons are organized in K (potassium), Al (aluminum), C (carbon), Cl (chlorine) and Ne (neon). Then explain how that electron structure leads these atoms to form or not form bonds with...
May 31, 2009 by Niran

Chemistry
Please explain this, I have no idea how to figure this out. What molecule or polyatomic ion has the following features. (a) four bonded atoms, no unshared electrons on the central atom (b) two bonded atoms, no unshared electrons on the central atom (c) two bonded atoms, one ...
March 7, 2013 by Lewis

physics
the heating effect of the fuse wire is caused by... a) emmision of moving electrons by stationary atoms b) absorption of moving electrons by stationary atoms c)collisions by moving electrons and stationary atoms thanks
November 4, 2010 by peter

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 covalent bond forms ...
November 13, 2012 by Many

chemistry
when atoms collide, what determines whether they will react by transfering electrons or by sharing electrons
July 29, 2011 by ashly

Chemistry
How did the metal atoms become ions? Metal atoms became ions by losing electrons to form positively charged ions(cations). How did the nonmetal atoms become ions? Nonmetal atoms became ions by gaining electrons to form negative ions(anions).
July 8, 2010 by Damon

Chemistry - Lewis Dots
Draw the molecule by placing atoms on the grid and connecting them with bonds. Do not identify the charge on each of these species. Include all lone pairs of electrons. H3COCH3 Draw the ion by placing atoms on the grid and connecting them with bonds. Do not identify the charge...
December 4, 2012 by Amy

Science
How are valence electrons involved in the formation of a covalent bond? They gave me the answer as...They are shared with another atom (or atoms). However, i thought they shared electrons not atoms...it confused me
January 13, 2008 by Shannon

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 each element. True 2. ...
September 3, 2011 by Cad

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 each element. True 2. ...
September 3, 2011 by Cad

chemistry
Covalent bonds are formed when two atoms share electrons. The pairs of electrons which are shared between atoms and hence number of covalent bonds, can be represented by the number of lines drawn between the symbols for the atoms. For example, a single bond is represented by a...
December 30, 2008 by trigger

Chemistry
Fill in the Blanks When atoms share electrons to gain the_____ configuration of a noble gas, the bonds formed are______. Atoms lose and gain electrons to form electron configurations like a noble gas (octet in the outer shell). Atoms share electrons to form the octet in ...
December 15, 2006 by Bryan

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. More than one pair of...
January 16, 2011 by Chem

chemistry
Ca + Br2 --> CaBr2 its synthesis and the reason the reaction happens is stable electron configuration but i dont understand why. Responses chemistry - DrBob222, Wednesday, January 21, 2009 at 10:06pm Synthesis because it's two elements combining to form a single product. ...
January 21, 2009 by lyne

Chemistry
A covalent bond forms when (1)two nuclei share electrons in order to achieve a complete octet of electrons (2) atoms form ions and then electrostatic forces of attraction bond the ions together. (3)repulsive forces between atoms are greater than the attractive forces (4) a ...
December 2, 2010 by Jazmin

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 highest ionization ...
October 3, 2008 by Nathan

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 highest ionization ...
October 4, 2008 by Nathan

Chemistry
Does the Octet rule say that atoms like to have 8 structural electrons, or eight valence electrons. I'm pretty sure it's valence, but I just wanted to check.
May 17, 2009 by Tabetha

Chemistry (Check)
i have to fill in the blanks In an ionic compound the charges of the Blank and Blank must balance to produce an electrically Blank Substance. Is it Cation, Anion, then Netural for the last blank And what about this one i don't know. Metallic atoms tend to lose valebce ...
November 15, 2006 by Bryan

Physical Science
Need help with these questions: 1.When a calcium atom forms an ion, it loses two electrons. What is the electrical charge of the calcium ion? A.-2 B.-1 C.+2 D.+1 2.Which particle builds a static electrical charge when it is transferred from one object to the other? A.proton B....
May 22, 2009 by mysterychicken

chemistry
The "Chemistry in Focus" segment A Magnetic Moment discusses the ability to levitate a frog in a magnetic field because electrons, when sensing a strong magnetic field, respond by opposing it. This is called diamagnetism. Atoms that are diamagnetic have all paired electrons. ...
October 12, 2010 by RILEY

Physics
We want to find how much charge is on the electrons in a nickel coin. Follow this method. A nickel coin has a mass of about 4.9 g. Find the number of atoms in a nickel coin. Each mole (6.02 10 23 atoms) has a mass of about 58.1 g. Answer in units of atoms Find the ...
February 7, 2013 by Tiffany

physical sciences
When a covalent bond forms between two atoms how many atoms have a full outer shell of electrons? A. one B. two C. zero D. It depends on what the atoms are. HELP PLEASEE
May 25, 2012 by lalt

Physics
When a certain material is illuminated with visible light, electrons jump from lower to higher energy states in atoms of the material. When illuminated by ultraviolet light, atoms are ionized as some of them eject electrons. Why do the two kinds of illumination produce such ...
March 27, 2008 by Leigh

Chemistry
Atom A- 6 protons, 6 electrons, 7 neutrons Atom D- 6 protons, 6 electrons, 8 neutrons Atom X- 7 protons, 7 electrons, 8 neutrons Atom Z- 8 protons, 8 electrons, 9 neutrons Which two atoms are isotopes of the same element? a. A and D b. A and Z c. X and D d. X and Z How am I ...
October 16, 2010 by timmy123

chemistry
We know that all matter are made up of atoms and all atoms consists of electrons,protons,neutrons,etc.Then why do we find such a variety of matter?Why is wood not gold?
July 29, 2011 by ...........................

Science
One gram of platinum has 3.09 1021 atoms, and each platinum atom has 78 electrons. How many electrons are contained in 4.00 g of platinum? The elemental charge is 1.6 10−19 C. Answer in units of electrons
February 26, 2014 by Rachel

chemistry (doubt)
We know that all matter are made up of atoms and all atoms consists of electrons ,protons, neutrons ,etc.Then why do we find such a variety of matter?Why is wood not gold?
August 5, 2011 by ...

physics
One gram of nickel has 1.026 1022 atoms, and each nickel atom has 28 electrons. How many electrons are contained in 6.00 g of nickel? The elemental charge is 1.6 10−19 C. Answer in units of electrons
February 7, 2014 by jamie

Science (Chemistry)
Can someone explain why the ratio of magnesium ions to chloride ions in MgCl2 is 1 :2 Mg is in group IIA and has two electrons in its outside shell. Cl is in group VIIA and has seven electrons in its outside shell. Mg wants to lose two electrons; Cl wants to gain one electron...
November 15, 2006 by Brian

Chemistry
Are the Carbon atoms full though. I dont know. My teacher was saying something about putting the atoms with dots on a diagonal and she said something about using arrows to indicate the "CC" bonds. ??????????????????????????????????????? I dont understand what you mean by th...
January 8, 2007 by Megan

chemistry
what is the mass in grams? a) 3.011 x 10^23 atoms F b)1.50 x 10^23 atoms Mg c)4.50 x 10^12 atoms Cl d)8.42 x 10^18 atoms Br e) 25 atoms w f) 1 atom Au can you please explain a and b to me then i'll come back later and see if i did the rest right? Thanks in advance
February 23, 2008 by john

physics
One gram of tungsten has 3.28 1021 atoms, and each tungsten atom has 74 electrons. How many electrons are contained in 9.00 g of tungsten? Answer in units of electrons
April 19, 2012 by jenny

Physical Science
How do atoms react with each other to form other substances? I don't know what grade you are in but if this is not understandable, please clarify and repost. Many metals react with many non-metals with the metal losing electrons (forming a positive ion) and the non-metal ...
December 13, 2006 by Stan

chemistry
How many atoms are in 3.14 mol of methane (CH4)? A. 7.56 x 1023 atoms B. 7.56 x 102 atoms C. 7.56 x 104 atoms D. 7.56 x 1024 atoms D
November 10, 2012 by Drew

Chemistry
how many electrons are in 3.70 x 10^23 atoms of carbon 13?
September 16, 2010 by Emily

chemistry
boron-10 has an atomic number of 5. how many electrons are in this isotope? 0 electrons, 2 electrons, 5 electrons, 10 electrons. I think 10
November 19, 2012 by drew

chemistry
Lithium-6 has an atomic number of 3. How many electrons are in this isotope? A. 0 electrons B. 3 electrons C. 6 electrons D. 9 electrons I think C. 6
November 19, 2012 by drew

Chemistry 2
What is the predominant intermolecular force responsible for the dissolution of the hydrophilic end of soap in water? Using dashed lines, illustrate where the intermolecular force occurs between atoms in adjacent molecules? Lone pair electrons have been omitted in the ...
June 30, 2013 by Angela

chemistry,
,I NEED TO DRAW A LEWIS STRUCTURE for C2n2,cyanogen,and to state the noble gas,i know the answer is neon,but i have far to many electrons and am getting the gas argon,please help :N:::C:C:::N: please where do u think i am going wrong I don't know. You didn't show any work. C ...
March 3, 2007 by jane

chemistry
what is the mass in grams? a) 3.011 x 10^23 atoms F b)1.50 x 10^23 atoms Mg c)4.50 x 10^12 atoms Cl d)8.42 x 10^18 atoms Br e) 25 atoms w f) 1 atom Au can you please explain a and b to me then i'll come back later and see if i did the rest right? Thanks in advance it needs to ...
February 23, 2008 by john

chemistry
what is the mass in grams? a) 3.011 x 10^23 atoms F b)1.50 x 10^23 atoms Mg c)4.50 x 10^12 atoms Cl d)8.42 x 10^18 atoms Br e) 25 atoms w f) 1 atom Au can you please explain a and b to me then i'll come back later and see if i did the rest right? Thanks in advance it needs to ...
February 23, 2008 by john

Biology 101
When we say an atom has an incomplete outer shell, this means the atom has ______________________ electrons in its outermost shell. Atoms that have incomplete outer shells usually seek to fill their shells by forming ____________________ ________________ through the sharing or...
September 13, 2013 by Sam

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. metallic bonding C. ...
December 14, 2012 by Victoria

physics
An iron wire has a cross-sectional area equal to 1.20 10-5 m2. Carry out the following steps to determine the drift speed of the conduction electrons in the wire if it carries a current of 34.0 A. (a) How many kilograms are there in 1.00 mole of iron? 1 kg/mol (b) Starting ...
March 10, 2012 by pam

Electrochemistry
A current of 2.50 A is passed through a solution containing Cu+2 ions for 4.00 hours. Calculate the mass of Cu atoms that form at the cathode. Charge= current*time Convert the charge in coulombs to number of electrons. Since it takes two electrons per Cu+2 atom, divide the ...
May 17, 2007 by Jerry

Chemistry
A neutral atom of an element has 2 electrons with n=1, 8 electrons with n=2, and 5 electrons with n=3. Write its electron configuration and find: A) atomic number B) total number of s electrons C) total number p electrons D) total number of protons E)Paired electrons F)...
February 24, 2014 by Taylor Beach

chemistry
An experiment is set up in which a copper surface is irradiated with high-intensity photons with a wavelength of 15.0nm. Electrons ejected from the surface are found to have a velocity of .548% of c. What is the binding energy of copper's most weakly bound electrons? What is ...
June 28, 2012 by Anonymous

chemistry
calculate number of atoms in 4.67 mol of Ca(NO3)2 I got: 2.81 X 10^24 C atoms or should it be 28.11 x 10^23 C atoms? 5.62 X 10^24 N atoms or should it be 9.34 x 10^23 N atoms? 1.69 x 10^25 O atoms....but are you allowed to do ^25 or should it be 168.7 X 10^23 O atoms I'm ...
May 23, 2008 by Sarah

Chemistry
"Would you expect each of the following atoms to gain or lose electrons when forming ions? What ion [cation/anion] is most likely in each case?" Followed by a short list of elements such as Na and Sr. What I'm wondering is how I'm to know? I can't find anything in the text ...
October 18, 2007 by Jack

chemistry
how many electrons are shared by two atoms that form a triple bond?
January 11, 2009 by chris

Chemistry
Electron exhibiting a particle wavelength of 4.02 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
October 13, 2013 by ss01

Chemistry
Electron exhibiting a particle wavelength of 5.2 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
October 13, 2013 by Chemistry

chemistry
Electron exhibiting a particle wavelength of 6.81 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
October 13, 2013 by sigma_pi

Chemistry
It takes 208.4 kJ of energy to remove one mol of electrons from the atoms on the surface of rubidium metal. If rubidium metal metal is irradiated with 254-nm light, what is the maximum kinetic energy the released electrons can have?
January 24, 2012 by Kaleen

chemistry
Calculate the mass, in grams, of each of the following. a) 1.210^23 gold atoms b) 2.7810^22 helium atoms c) 2.010^23 lead atoms d) 7.610^21 uranium atoms
September 10, 2010 by Mely

chemistry
how many valence electrons is an oxygen atom able to attract from other atoms
February 7, 2010 by tia

chemistry
What is composed of atoms in fixed proportions? A. mixtures B. compounds C. electrons D. elements
September 14, 2010 by junior

chemistry
how do i do this: give the number of protons, electrons, and neutrons in each of the following atoms. 108 47 Au 40 20 Ca 23 11 Na
December 2, 2010 by monique n

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 point: electrons are ...
September 26, 2011 by Caitlin

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 contain one electron...
May 22, 2011 by Jennie

chemistry
Compare the three types of bonds based on what happens to the valence electrons of the atoms
September 15, 2010 by chris

chemistry
In diatomic molecules of elements, the electronegativites of the two atoms are _________, so the electrons are shared ___________.
April 26, 2010 by claire

chemistry
How many electrons are in the highest occupied energy level of these atoms? Na(sodium) Al (aluminum) F(fluorine) C(carbon)
February 8, 2012 by james

Science/Chemistry
Is this true Dispersion forces generally increase in strength as the number of electrons in a molecule increases. The number of electrons can only increase if more atoms are added to the molecule. The molecule has to stay electrically neutral. Dispersion forces are of greater ...
January 9, 2007 by Jeff

chemistry
How many atoms are in 1.14 mol of propane (C3H8)? A. 7.55 x 1023 atoms B. 7.77 x 1024 atoms C. 7.55 x 1024 atoms D. 7.55 x 1030 atoms C
November 10, 2012 by Drew

Chemistry......
If the statement is true, write a T in the blank. If the statement is false, rewrite it to make it correct. 1. An inert gas reacts easily with other elements 2. Radioactive decay is dependent on external forces such as temperature and pressure Fill-in-the-blanks An (11...
September 8, 2013 by Anonymous

Chemistry
Can someone tell me if this makes any sense or if I need to start over. I am not sure if it even answers the question. Why is the benzene molecule represented as a flat cyclohexane with a ring inside? The benzene molecule is represented as a flat cyclohexane with a ring ...
February 10, 2008 by Brad

Chemistry
Hi. Is PO4(3-) polar or non-polar? Why or why not? Thanks! Look up the electronegativity of P and O. I think I remember that O is about 3.5 and P is about 2.1; therefore, each P-O bond is somewhat polar. Thus, the ion will be polar unless the Lewis structure (electron dot ...
November 23, 2006 by Sally

Atoms. Atoms.
YOU DISCOVERED A NEW ATOM! WOW, EVERYONE AT YOUR LAB IS IMPRESSED!! SOME ARE SAYING YOU MAY BE NOMINATED FOR THE NOBEL PRIZE IN MEDICINE!!! IF THIS IS GOING TO HAPPEN, YOU HAVE TO FIND OUT AS MUCH ABOUT THE ATOM AS YOU CAN, AND YOU DONT HAVE LONG TO DO IT. THE LAB WAS CLOSING...
December 3, 2007 by Tina

Chemistry
Given the balanced equation representing a reaction : 2Fe+ 3Cu^2+ --> 2Fe^3+ +3Cu When the iron atoms lose six moles of electrons, how many moles of electrons are gained by the copper ions? (1) 12 moles (2) 2 moles (3) 3 moles (4) 6 moles how would i even start solving a ...
February 16, 2014 by Anonymous

Chemistry(Please check)
1)For an atom of carbon how many valence electrons are "s" electrons? 2 2) How many are "p" electrons? 4 3)How many (total) electrons in carbon are paired? 2 4) How many are unpaired? 1 Are these correct.
November 1, 2011 by Hannah

chemistry
Why do beryllium and fluorine combine in a 1:2 ratio? use page 194 in your textbook. Be is in group 2 (IIA) and has two electrons in its outer shell which it wants to give away. Flourine is in group 17 (VIIA) and has seven electrons. It needs one more to fill its outside shell...
December 3, 2006 by megan

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 nucleus like planets ...
May 1, 2011 by ashley --- HELP PLEASEE!!!

chemistry
give the total number of protons and electrons in each atom Cr2+ 24 protons 22 electrons Cr3+ 24 protons 21 electrons Ni3+ 28 protons 25 electrons Ni4+ 28 protons 24 electrons
February 6, 2012 by kr

chemistry
Calculate the mass, in kg, of each sample.9.621026 cadmium atoms. -5.721027 nickel atoms. -9.141027 manganese atoms. -9.021029 lithium atoms.
September 20, 2010 by isoka

Physical Science
Need help with these questions- 1.What causes an electric current in a wire? A.Electric feilds cause atoms to move in the wire B.Electrons flow because of electrical attraction and repulsion C.Electrons move because of heat D.Electrons build up in the wire and create a charge ...
May 11, 2009 by mysterychicken

chemistry
WOuld you expect each of the following atoms to gain or lose electrons when forming ions? What ion is most likely in each case? a. Na b. Sr c. P d. Ba
September 7, 2009 by shirley

Chemistry
What property of nonmetallic elements makes more likely to gain electrons than lose electrons? Non-metals already have outside shells that are more than half filled (escept for group 4 elements) and it is easier to fill the shell by adding 2 or 3 electrons than to lose 5 or 6 ...
November 15, 2006 by Bryan

Chemistry
Why is magnesium atom smaller than atoms of both sodium and calcium? The location of the outer electrons for Mg are in closer to the nucleus than of Sodium or Calcium. To add to the correct answer from Bob Pursley, consider the electronic configurations. 11Na = 1s2, 2s2, 2p6, ...
November 9, 2006 by Bryan

Chemistry
How would you approach a question like There are 6.02x 10 to the power of 23 atoms in one mol of atoms, how many atoms are there in 5.5 mol of atoms?
February 5, 2008 by Katrina

physics
One gram of nickel has 1.026 1022 atoms, and each nickel atom has 28 electrons. How many electrons are contained in 9.00 g of nickel?
February 6, 2012 by Anonymous

Science
What type of charge moves through conductors? Explain how it moves. thanks Electrons are the current carriers in metals. Electrons have a negative charge. Electrons in metals are loosly bound to atoms, so an external electric field will cause them in their random movements to ...
November 29, 2006 by Rachelle

chemistry
In the following half equation, which is the oxidizing agent? NO3(aq) + 4H+(aq) + 3e <--> NO(g) + 2H2O a. NO3 b. H+ c. e d. NO e. H2O An oxidizing agent is a chemical compound that readily transfers oxygen atoms, or is a substance that gains electrons in a redox ...
March 10, 2009 by Jason

Chemistry
What factors control the bond length in a covalent bond? Select all that apply. -It involves the attraction between the two nuclei involved in the bond. -It involves the attraction between the electrons in the bond and the nuclei of the atoms. -It involves the repulsion ...
March 23, 2014 by Anonymous

CHEM AP please help!!
Why does the octet rule not hold for many compounds containing elements in the third row of the periodic table and beyond? (Select all that apply.) 1. Atoms of elements in the third period are less subject to destabilization from additional electron-electron repulsions. 2. ...
November 7, 2011 by kali maa

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 point b. poor conductor ...
November 17, 2008 by Amy

CHEMISTRY
What is the geometric structure of the water molecule? How many pairs of valence electrons are there on the oxygen atom in the water molecule? I know oxygen has 6 valence electrons (since it is in group 6 on the periodic table), but would it have 8 (4 pairs) since it is ...
April 22, 2010 by ~anonymous

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 a negative charge ...
April 19, 2007 by HERSHEYS

Chemistry
For atoms that contain more than one electron, the Pauli Exclusion Principle states that: (A)the most stable arrangement of electrons in subshells is the one with the greatest number of paralel (B) Diamagnetic substances are repelled by magnets (C)transition metals have ...
March 13, 2008 by Tina

chemistry- thank you
How many valence shell electrons are there in a ground state silicon atom? Am i suppose to just count the electrons after the core electrons?
October 31, 2010 by Jazmin

chemistry
THe thiocyanate ion acts as a Lewis base, donating a pair of electrons to the Fe ^ 3+ ion. Both sulfur and nitrogen atoms have lone pair electrons that can potentially be donated. Therefore, ther are two different structures (linkage isomers) that can be created when Fe(H2O)6...
June 29, 2010 by Judy

chemistry
Compare a mole of Ag-108 and a mole of Pt-195 using atoms, protons, electrons, and neutrons.
March 11, 2010 by Astrid

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 main energy level can ...
September 27, 2012 by Peter

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 the atom. would this...
December 6, 2006 by Alexa

chemistry
Find the number of K atoms, C atoms, and O atoms in 95.5g of K2Cr2O7. (Potassium 2, Chromium 2, Oxygen 7).
February 15, 2010 by Jack

General Chemistry
Calculate the number of C atoms, H atoms, and O atoms, in 1.50 grams of glucose (C6H1206).
May 17, 2010 by Kendra

Chemistry
How many oxygen atoms are in a) 3.21 x 10^22 molecules CH3OH b) .250 mol C6H12O6 Is it a) 3.21 x 10^22 atoms b) 9.03 x 10^23 atoms
May 19, 2013 by K

Chemistry (Electrons in Atoms)
What is the wavelength of the emitted photon, when the electron in the hydrogen atom makes a transition from the ni = 5 state to the nf = 3 state?
May 23, 2011 by Katie

Chem
Draw a Structural Formulae for Hydrogen Cyanide (HCN) and Cyanogen (C2N2 or CN2) Hydrogen = 1 Valency Nitrogen = 3 Valencies Carbon = 4 Valencies H-C(triple bond)N N(triple bond)C-C(triple bond)N Thank you And for a Lewis Structure they would be H:C:::N: and :N:::C:C:::N: very...
March 12, 2007 by Anthony

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