Formula And Compounds

Question 1

Hydrogen

Answer 1

H+

Question 2

Lithium

Answer 2

Li+

Question 3

Sodium

Answer 3

Na+

Question 4

Potassium

Answer 4

K+

Question 5

Calcium

Answer 5

Ca2+

Question 6

Aluminium

Answer 6

Al3+

Question 7

Ammonium

Answer 7

NH +

4

Question 8

Chloride

Answer 8

Cl-

Question 9

Bromide

Answer 9

Br-

Question 10

Fluoride

Answer 10

F-

Question 11

Hydroxide

Answer 11

OH-

Question 12

Hydrogencarbonate

Answer 12

HCO -

3

Question 13

Oxide

Answer 13

O2-

Question 14

Sulphate

Answer 14

SO 2-

4

Question 15

Carbonate

Answer 15

CO 2-

3

Question 16

Nitrate

Answer 16

NO -

3

Question 17

Phosphate

Answer 17

PO 3-

4

Question 18

Sulphide

Answer 18

S2-

Question 19

Nitride

Answer 19

N3-

Question 20

Manganate

Answer 20

MnO -

4

Question 21

Chromate

Answer 21

CrO 2-

4

Question 22

Dichromate

Answer 22

Cr O 2-

2 7

Question 23

Water

Answer 23

H O

2

Question 24

Carbon dioxide

Answer 24

CO

2

Question 25

Methane

Answer 25

CH

4

Question 26

Ethane

Answer 26

C H

2 6

Question 27

Ammonia

Answer 27

NH

3

Question 28

Hydrochloride acid

Answer 28

HCl(aq)

Question 29

Sulphuric acid

Answer 29

H  SO   (aq)
   2      4

Question 30

Nitric acid

Answer 30

HNO (aq)

3

Question 31

Phosphoric acid

Answer 31

H  PO   (aq)
   3     4