Chapter 3

Question 1

Identify the Diatomic Ionic Compounds

Answer 1

I2, Br2, Cl2, F2, O2, N2, H2

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Question 2

Sb

Answer 2

Antimony (Stibium)

Question 3

Cu

Answer 3

Copper (Cuprum)

Question 4

Au

Answer 4

Gold (Aurum)

Question 5

Fe

Answer 5

Iron (Ferrum)

Question 6

Pb

Answer 6

Lead (Plumbum)

Question 7

Hg

Answer 7

Mercury (Hydrargyrum)

Question 8

K

Answer 8

Potassium (Kalium)

Question 9

Ag

Answer 9

Silver (Argentum)

Question 10

Na

Answer 10

Sodium (Natrium)

Question 11

Sn

Answer 11

Tin (Stannum)

Question 12

W

Answer 12

Tungsten (Wolfram)

Question 13

Ferrous, Ferric

Answer 13

Fe 2+, Fe 3+

Question 14

Cuprous, Cupric

Answer 14

Cu 1+, Cu 2+

Question 15

Stannous, Stannic

Answer 15

Sn 2+, Sn 4+

Question 16

Plumbous, Plumbic

Answer 16

Pb 2+, Pb 4+

Question 17

Oxidation # of F for any compound is:

Answer 17

-1

Question 18

Oxidation # for O is:

Answer 18

• 2, except when:
  1. In combination with F (O = 2+)
  2. In peroxides (O is -1 in form O2, 2-) (Grp I + II)
  3. In superoxides (O is -1/2 in for O2, 1-) (K, Rb, Cs)

Question 19

The Oxidation # for H is:

Answer 19

1- in compounds with less EN species (Metals)

1+ in compounds with more EN species (NonMetals)

Question 20

In compounds, Group I A Elements have oxidation #s of:

Answer 20

1+ (except for H)

Question 21

In compounds, Group II A Elements have oxidation #s of:

Answer 21

2+

Question 22

Group VII A Elements have oxidation #s of:

Answer 22

1- When combined with less EN species

Question 23

Ammonium:

Answer 23

NH4+

Question 24

Acetate:

Answer 24

C2 H3 O2 -

Question 25

Perchlorate:

Answer 25

ClO4 -

Question 26

Chlorate:

Answer 26

ClO3 -

Question 27

Chlorite:

Answer 27

ClO2 -

Question 28

Hypochlorite:

Answer 28

ClO -

Question 29

Cyanide

Answer 29

CN -

Question 30

Hydroxide

Answer 30

OH -

Question 31

Nitrate

Answer 31

NO3 -

Question 32

Nitrite

Answer 32

NO2 -

Question 33

Azide

Answer 33

N3 -

Question 34

Thiocyanate

Answer 34

SCN -

Question 35

Permanganate

Answer 35

MnO4 -

Question 36

Sulfate

Answer 36

SO4 2-

Question 37

Sulfite

Answer 37

SO3 2-

Question 38

Carbonate

Answer 38

CO3 2-

Question 39

Phosphate

Answer 39

PO4 3-

Question 40

Chromate

Answer 40

CrO4 2-

Question 41

Dichromate

Answer 41

Cr2 O7 2-

Question 42

Oxalate

Answer 42

C2 O4 2-

Question 43

Peroxide

Answer 43

O2 2-

Question 44

Borate

Answer 44

BO3 3-