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Naming Ionic Compounds — Quiz Answers

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A list of different ions is shown. Which combination of ions will result in an ionic bond? Na raised to the plus power Li raised to the plus power cap o raised to the 2 minus power cap s raised to the 2 minus power cap f raised to the negative power

A
LiNa
B
NaO sub 2
C
SO
D
NaF
2
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Zinc has a charge of plus 2 , and oxygen has a charge of negative 2 Which is the chemical formula for zinc oxide?

A
Zn sub 2 cap o
B
ZnO
C
OZn
D
OZn sub 2
3

The chemical formula for lithium phosphide is Li sub 3 cap p Which best describes this ionic compound?

A
Lithium ions have 3 negative charges, and phosphorus ions have 1 positive charge.
B
Lithium ions have 1 negative charge, and phosphorus ions have 3 positive charges.
C
Lithium ions have 3 positive charges, and phosphorus ions have 1 negative charge.
D
Lithium ions have 1 positive charge, and phosphorus ions have 3 negative charges.
4

Which best describes ionic compound formulas?

A
They have an equal number of positive and negative charges.
B
They have more negative charges than positive.
C
They have an unbalanced chemical formula.
D
They have more positive charges than negative.
5

Which is an unnecessary rule for writing chemical formulas?

A
identify the negative ion and charge
B
write the negative ion first
C
balance the charges
D
identify the positive ion and charge
6

Which is a representation of a compound that gives the number of atoms and types of atoms in that compound?

A
chemical equation
B
coefficient number
C
chemical formula
D
subscript number
7

Magnesium has a charge of plus 2 , and chlorine has a charge of negative 1 To form a chemical bond, how many magnesium ion(s) would the compound have?

A
0
B
1
C
2
D
3
8

The charges for four ions are sodium Na plus 1 , calcium Ca plus 2 , fluorine cap f minus 1 , and sulfur cap s minus 2 Which would be an ionic bond that could form from any of these ions?

A
FS
B
Na sub 2 cap s
C
NaCa sub 2
D
CaF
9

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 negative.
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 zero.
10

Based on the naming classification, which compounds would have the same ending?

A
compounds cap w , cap x , and cap z
B
compounds cap w and cap x
C
compounds cap v , cap y , and cap z
D
compounds cap v and cap x

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