Nomenclature of Ionic Compounds Answers
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What is the chemical formula for nickel (III) oxide?
A
NiOB
Ni3OC
NiO3D
Ni2O32
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When is a roman numeral most likely needed in the name of an ionic compound?
A
when more than one polyatomic ion appearsB
when the anion is a polyatomic ionC
when more than one cation is used in the formulaD
when the cation is a transition metal4
What is the chemical formula of a compound that is composed of the ions Ca and Br?
A
CaBrB
CaBr2C
Ca3BrD
Ca3Br25
What is the chemical formula for ammonium carbonate?
A
(NH)CO
B
(NH)HCO
C
NH(CO)
D
NH(CO)
7
How does the periodic table help in predicting the formula of a stable ionic compound?
A
Metals in Group 1 form cations with a –1 charge.B
Metals in Group 2 form cations with a +2 charge.C
Metals in Group 1 form anions with a +1 charge.D
Metals in Group 2 form anions with a –2 charge.8
What is the ratio of Sr ions to Br ions in a neutral compound?
A
1:1B
1:2C
2:1D
3:29
What is the ratio of ions needed to produce neutral potassium chloride?
A
one potassium ion to one chloride ionB
two potassium ions to one chloride ionC
one potassium ion to two chloride ionsD
two potassium ions to three chloride ions10
What name should be used for the ionic compound Co(SO)?
A
cobalt(III) sulfideB
cobalt(III) sulfateC
cobalt(III) trisulfideD
cobalt(III) trisulfateDid you find these answers helpful?
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