What is the formula of chromium (II) sulfate?
A) CrSO4
B) Cr2SO4
C) Cr(SO4) 2
D) CrSO
Correct Answer:
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Q18: Which is an anion?
A)A strontium ion
B)A manganese
Q19: A potassium atom is converted to a
Q20: What is the correct name for the
Q21: What is the formula of calcium chloride?
A)CaCl
B)CaCl2
Q22: Which is ferrous sulfide?
A)FeS
B)Fe2S3
C)Fe3S2
D)FeSO4
Q24: All chemical compounds must have a net
Q25: Which is a binary compound?
A)H2
B)H2O
C)CaSO4
D)KClO
Q26: What is the formula of magnesium sulfate?
A)MgS
B)MgSO3
C)MgSO4
D)MgSO
Q27: Which is a binary compound?
A)O2
B)O3
C)NaClO3
D)NaCl
Q28: The metals in group 2A form ions
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