Answers2003350 Chemistry HONORS Sem 1 - MarezIonic Bonding

Ionic Bonding Answers

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1
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The melting point of an ionic compound is likely to be a molecular compound.

A
higher than
B
lower than
C
the same as
2
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The polyatomic ion with the formula HPO42- is called

A
hydrogen phosphate.
B
phosphate.
C
hydrogen peroxide.
3

The formula for the compound ammonium chloride:

A
NH4Cl+
B
NH4Cl
C
NH3Cl
D
NH4Cl2
4

Ionic compounds in water.

A
are extremely soluble
B
are slightly soluble
C
have varying solubilities
5

The formula for ammonium carbonate:

A
NH4HCO3
B
NH4CO3
C
(NH4)2CO3
6

The polyatomic ion with the formula CN- is called

A
carbonate.
B
cyanide.
C
nitrite.
7

The formula for sodium phosphate:

A
NaPO4
B
Na(PO4)3
C
Na3PO4
8

Ionic compounds can conduct electricity in

A
the solid state.
B
the liquid state.
C
solution.
D
solution and the liquid state.
9

Ionic compounds tend to be

A
hard.
B
soft.
C
bendable.
10

Ionic compounds in water.

A
are extremely soluble
B
are slightly soluble
C
have varying solubilities
11

The formula for the ammonium ion:

A
NH3
B
NH4+
C
Am+
12

The formula for the nitrate ion:

A
NO3–
B
NO2–
C
NO3+
13

Which statements describe lattice energy?

A
It is the energy the ions absorb when they form a crystalline compound.
B
It increases as the size of the ions decreases.
C
It increases as the charge on the ions increases.
D
It explains why ions form molecules.
E
It is a measure of the strength of the bonds between ions in a compound.
14

How and why do ionic bonds form? Check all of the boxes that apply.

A
Ionic bonds form between metal atoms and other metal atoms.
B
Ionic bonds form between metal atoms and nonmetal atoms.
C
The more electronegative atoms transfer one or more electrons to the less electronegative atom.
D
The less electronegative atoms transfers one or more electrons to the more electronegative atom.
E
The metal atom forms a cation and the nonmetal atom forms an anion.
F
The attraction between ions with the same charge forms an ionic bond.
G
The attraction between ions with an opposite charge forms an ionic bond.
15

Select the word or phrase from the drop-down menu to describe ionic compounds.A formula unit represents the simplest ratio of elements in a of an ionic compound.

A
crystal
B
molecule
16

The formula for the ammonium ion:

A
NH3
B
NH4+
C
Am+
17

The formula for the nitrate ion:

A
NO3–
B
NO2–
C
NO3+
18

The polyatomic ion with the formula CN- is called

A
carbonate.
B
cyanide.
C
nitrite.
19

The melting point of an ionic compound is likely to be a molecular compound.

A
higher than
B
lower than
C
the same as
20

A chromate ion consists of four oxygen atoms bonded to a chromium atom. It has two extra electrons. The formula of this ion:

A
Cr4O2–
B
CrO42+
C
CrO42–

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