Naming Ionic Compounds And Formulas

Question 1

MgO

Answer 1

Magnesium oxide (cation always first)

Question 2

Al2S3

Answer 2

Aluminum sulfide

Question 3

Li and O

Answer 3

Lithium oxide
Li2O

Question 4

Mg and N

Answer 4

Magnesium nitride
Mg3N2

Question 5

Ca and P

Answer 5

Calcium phosphide
Ca3P2

Question 6

Na and N

Answer 6

Sodium nitride
Na3N

Question 7

Li and F

Answer 7

Lithium fluoride
LiF

Question 8

Al and Br

Answer 8

Aluminum bromide
AlBr3

Question 9

Cr2O3

Answer 9

Chromium (III) oxide

Question 10

MnO2

Answer 10

Manganese (IV) oxide

Question 11

Sodium sulfide

Answer 11

Na2S

Question 12

Magnesium Nitride

Answer 12

Mg3N2

Question 13

Copper (1) chloride

Answer 13

CuCl

Question 14

Nickel (II) oxide

Answer 14

NiO

Question 15

Na2O

Answer 15

Sodium oxide

Question 16

CrO4

Answer 16

Chromium (VIII) oxide

Question 17

MgI2

Answer 17

Magnesium iodide

Question 18

KCl

Answer 18

Potassium chloride

Question 19

ZnO

Answer 19

Zinc oxide

Question 20

CuF2

Answer 20

Copper (II) fluoride

Question 21

P7Br10

Answer 21

Heptaphosphorus decabromide

Question 22

SF6

Answer 22

Sulfur hexafluoride

Question 23

N2O4

Answer 23

Dinitrogen tetroxide

Question 24

SH2

Answer 24

Sulfur dihydride

Question 25

Molecular formula:
1. Nitrogen trifluoride
2. Sulfur trioxide
3. Silicon tetrachloride

Answer 25

1. NF3
2. SO3
3. SiCl4

Question 26

Name compounds and determine if ionic or covalent
1. AlCl3
2. CS2
3. FeO
4. P2N6

Answer 26

1. Ionic - aluminum chloride
2. Covalent- carbon disulfide
3. Ionic - iron (II) oxide
4. Covalent - diphosphorus hexanitride