Ionic Compounds

Question 1

What is an ionic compound?

Answer 1

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.

Question 2

True or False: Ionic compounds are formed between metals and nonmetals.

Answer 2

True

Question 3

What is the formula for sodium chloride?

Answer 3

NaCl

Question 4

Fill in the blank: The charge of a sodium ion (Na) is ____.

Answer 4

+1

Question 5

What is the charge of a chloride ion (Cl)?

Answer 5

-1

Question 6

True or False: The formula of an ionic compound reflects the simplest whole number ratio of the ions.

Answer 6

True

Question 7

What is the formula for magnesium oxide?

Answer 7

MgO

Question 8

What is the charge of a magnesium ion (Mg)?

Answer 8

+2

Question 9

Fill in the blank: The formula for calcium sulfate is ____.

Answer 9

CaSO4

Question 10

What is the formula for aluminum chloride?

Answer 10

AlCl3

Question 11

True or False: Complex ions can also form ionic compounds.

Answer 11

True

Question 12

What is the formula for ammonium nitrate?

Answer 12

NH4NO3

Question 13

What is the charge of the ammonium ion (NH4)?

Answer 13

+1

Question 14

Fill in the blank: The formula for potassium phosphate is ____.

Answer 14

K3PO4

Question 15

What is the formula for iron(III) oxide?

Answer 15

Fe2O3

Question 16

What does the Roman numeral in iron(III) oxide indicate?

Answer 16

It indicates the oxidation state of iron, which is +3.

Question 17

Fill in the blank: The formula for zinc sulfate is ____.

Answer 17

ZnSO4

Question 18

What is the charge of the sulfate ion (SO4)?

Answer 18

-2

Question 19

True or False: The formula for a complex ion contains the same elements as the ionic compound it forms.

Answer 19

True

Question 20

What is the formula for copper(II) sulfate?

Answer 20

CuSO4

Question 21

What is the charge of a copper(II) ion (Cu)?

Answer 21

+2

Question 22

Fill in the blank: A common complex ion is ____.

Answer 22

[Fe(CN)6]4-

Question 23

What is the formula for lead(II) nitrate?

Answer 23

Pb(NO3)2

Question 24

True or False: The overall charge of an ionic compound must be zero.

Answer 24

True

Question 25

What is the formula for barium chloride?

Answer 25

BaCl2

Question 26

Fill in the blank: The charge of a barium ion (Ba) is ____.

Answer 26

+2

Question 27

What is the formula for silver nitrate?

Answer 27

AgNO3

Question 28

What is the charge of a silver ion (Ag)?

Answer 28

+1

Question 29

Fill in the blank: The formula for lithium carbonate is ____.

Answer 29

Li2CO3

Question 30

What is the formula for strontium sulfide?

Answer 30

SrS

Question 31

True or False: Ionic compounds usually have high melting and boiling points.

Answer 31

True

Question 32

What is the formula for ammonium sulfate?

Answer 32

(NH4)2SO4

Question 33

What is the charge of the carbonate ion (CO3)?

Answer 33

-2

Question 34

Fill in the blank: The formula for sodium bicarbonate is ____.

Answer 34

NaHCO3

Question 35

What is the formula for potassium chlorate?

Answer 35

KClO3

Question 36

What is the charge of the chlorate ion (ClO3)?

Answer 36

-1

Question 37

True or False: The structure of ionic compounds is typically crystalline.

Answer 37

True

Question 38

What is the formula for cesium fluoride?

Answer 38

CsF

Question 39

Fill in the blank: The formula for nickel(II) hydroxide is ____.

Answer 39

Ni(OH)2

Question 40

What is the formula for cobalt(II) sulfate?

Answer 40

CoSO4

Question 41

What does the prefix 'di-' indicate in a chemical formula?

Answer 41

It indicates that there are two of a particular ion or atom.

Question 42

What is the formula for manganese(II) chloride?

Answer 42

MnCl2

Question 43

Fill in the blank: The formula for chromium(III) oxide is ____.

Answer 43

Cr2O3