AnswersRoy Summer School 26 Physical ScienceNaming Ionic Compounds

Naming Ionic Compounds Answers

9 verified answers
1
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Potassium and bromine combine to make KBr. What is the name of this compound?

A
potassium bromine
B
potassium bromide
C
bromine potassium
D
bromine potassiumide
2
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Which is an unnecessary rule for writing chemical formulas?

A
identify the positive ion and charge
B
balance the charges
C
write the negative ion first
D
identify the negative ion and charge
3

The charges for four ions are sodium (Na) +1, calcium (Ca) +2, fluorine (F) –1, and sulfur (S) –2. Which would be an ionic bond that could form from any of these ions?

A
NaCa2
B
Na2S
C
CaF
D
FS
4

Which is a valid ionic compound?

A
sodide chlorine
B
sodium chlorine
C
sodium chloride
D
sodide chloride
5

An ionic bond for calcium and oxygen is CaO. If an oxygen ion has a charge of two negative, what is the charge for calcium?

A
+2
B
–1
C
+1
D
–2
6

Question text not available

Question illustration
A
compounds V and X
B
compounds W and X
C
compounds V, Y, and Z
D
compounds W, X, and Z
7

Iodine has a charge of –1, and magnesium has a charge of +2. What is the name of this compound?

A
iodine magnesium
B
iodine magnesiumide
C
magnesium iodide
D
magnesium iodine
8

Sarah is asked to sort out the list of ions and ionic compounds. How can Sarah differentiate between the ions and ionic compounds?

A
Ions have a positive or negative charge, but an ionic compound’s overall charge is zero.
B
Ions have no charge, but ionic compounds have a positive charge.
C
Ions have no charge, but ionic compounds have a negative charge.
D
Ions have a positive or negative charge, but an ionic compound’s overall charge is negative.
9

The chemical formula for lithium phosphide is Li3P. Which best describes this ionic compound?

A
Lithium ions have 1 positive charge, and phosphorus ions have 3 negative charges.
B
Lithium ions have 3 positive charges, and phosphorus ions have 1 negative charge.
C
Lithium ions have 1 negative charge, and phosphorus ions have 3 positive charges.
D
Lithium ions have 3 negative charges, and phosphorus ions have 1 positive charge.
10

Zinc has a charge of +2, and oxygen has a charge of –2. Which is the chemical formula for zinc oxide?

A
ZnO
B
Zn2O
C
OZn
D
OZn2

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