Posted by Sara on Tuesday, April 20, 2010 at 10:35pm.
a-magnesium and chlorine = MgCl2
b-silver and sulfur = Ag2S
c-cobalt(III) and Oxygen = Co2O3
d-Zinc and bromine = ZnBr2
e-calcium and nitrogen = Ca3N2
f-copper(I) and nitrate = Cu3NO
Sorry about that. I jumped onto the next question without finishing the previous one. Can you please check if I have done these correctly, thank you very much:-)
1. I have to write down the symbol for the following ions:
a- sodium = Na Na^+
b- chloride = CL Cl^-, not CL
c- sulfate = S SO4^-2
d- ammonium = ? would it be NH4?Yes, but with a +1 charge
e- chromium (II) = Cr Cr^+2 and it is incorrect without the charge showing. That is what the (II) tells you
f- chromium(III) = Cr Cr^+3
2. write the formulas for the compounds formed in each of the following:
a-magnesium and chlorine = MgCl2
b-silver and sulfur = Ag
c-cobalt(iII) and Oxygen
d-Zinc and bromine
e-calcium and nitrogen
f-copper(I) and nitrate
Ag2S, Co2O3, ZnBr2, Ca3N2, Ca(NO3)2
Write the names of the two ions in each of the following compounds.
a- Al2(SO4)3 = How do I do this? Do I just write their names? Could you please help me with this one.
Aluminum ion and sulfate ion.
Thank you very much DrBob222. You've helped me a lot, and I really appreciate that:-)
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