Which is a binary compound?
A) O2
B) O3
C) NaClO3
D) NaCl
Correct Answer:
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Q22: Which is ferrous sulfide?
A)FeS
B)Fe2S3
C)Fe3S2
D)FeSO4
Q23: What is the formula of chromium (II)sulfate?
A)CrSO4
B)Cr2SO4
C)Cr(SO4)2
D)CrSO
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
Q28: The metals in group 2A form ions
Q29: The elements in group 6A form ions
Q30: What is the formula of barium oxide?
A)BaO
B)BaO2
C)Ba2O
D)Ba2O3
Q31: What is the formula of iron (III)oxide?
A)(FeO)
B)(Fe3O2
Q32: The elements in group 7A form ions
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