Which is an anion?
A) A nitrate ion
B) A potassium ion
C) A magnesium ion
D) An ammonium ion
Correct Answer:
Verified
Q34: The metals in group 1A form ions
Q35: What is the formula of copper (II)oxide?
A)CuO
B)Cu2O
C)CuO2
D)CuO3
Q36: Which is the formula of iron (II)nitrate?
A)Fe3NO3
B)FeNO3
C)Fe(NO3)2
D)Fe2NO3
Q37: What is the formula of magnesium sulfide?
A)Mg2S
B)MgS2
C)MgS
D)Mg3S
Q38: Which is the correct formula of potassium
Q40: What is the formula of aluminum sulfide?
A)AlS
B)Al2S3
C)Al3S2
D)Al3S
Q41: What is the formula for the compound
Q42: Which is cupric chloride?
A)CuCl
B)CuCl2
C)CuCl3
D)CuCl4
Q43: Which is dinitrogen tetroxide?
A)N4O2
B)NO2
C)N2O
D)N2O4
Q44: What is the formula for the compound
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