Which metals form cations with varying positive charges?
A) many transition metals
B) Zn and Al
C) Group 1 metals
D) Group 1 and Group 2 metals
E) Group 2 metals
Correct Answer:
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Q94: How many electrons does a barium ion
Q95: The formulas of the carbonate ion,the ammonium
Q96: Which of the following statements is false?
A)A
Q97: All the following ions have the same
Q98: The formula for the sulfide ion is
A)SO32-.
B)SO42-.
C)S2O32-.
D)S2-.
E)HSO4-.
Q100: The formulas of the nitrite,phosphate,and nitrate ions
Q101: The chemical name for the model
Q102: What is the formula for sodium peroxide?
A)Na3O2
B)NaO
C)Na2O
D)NaO2
E)Na2O2
Q103: The formula for aluminum sulfate is
A)Al3(SO4)2.
B)Al3S2.
C)Al2(SO4)3.
D)Al2S3.
E)Al2(SO3)3.
Q104: The formula for aluminum bromide is
A)AlB.
B)AlBr.
C)Al2Br3.
D)AlBr2.
E)AlBr3.
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