Ion charge & formulas of ionic compunds-DrBob222

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These are the other questions: I'll start from Number 1.

1. I have to write down the symbol for the following ions:

a- sodium = Na
b- chloride = CL
c- sulfate = S
d- ammonium = ? would it be NH4?
e- chromium (II) = Cr
f- chromium(III) = Cr

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

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.

Thank you very much:-)

  • DrBob222-Done -

    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:-)

  • Ion charge & formulas of ionic compunds-DrBob222 -

    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.

  • Ion charge & formulas of ionic compunds-DrBob222 -

    Thank you very much DrBob222. You've helped me a lot, and I really appreciate that:-)

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