Common Ions

Question 1

Potassium

Answer 1

K⁺

Question 2

Calcium

Answer 2

Ca²⁺

Question 3

Hydride

Answer 3

H^-

Question 4

Oxide

Answer 4

O^2-

Question 5

Magnesium

Answer 5

Mg²⁺

Question 6

Sodium

Answer 6

Na⁺

Question 7

Copper

Answer 7

Cu⁺, Cu²⁺

Question 8

Iron

Answer 8

Fe²⁺, Fe³⁺

Question 9

Lead

Answer 9

Pb²⁺

Question 10

Nitride

Answer 10

N^3-

Question 11

Aluminium

Answer 11

Al³⁺

Question 12

Nickel

Answer 12

Ni²⁺

Question 13

Zinc

Answer 13

Zn²⁺

Question 14

Silver

Answer 14

Ag⁺

Question 15

Ammonium

Answer 15

NH₄⁺

Question 16

Hydroxide

Answer 16

OH^-

Question 17

Hydrogen sulphide

Answer 17

HS^-

Question 18

Hydrogen sulphite

Answer 18

HSO₃^-

Question 19

Hydrogen sulphate

Answer 19

HSO₄^-

Question 20

Hydrogen carbonate

Answer 20

HCO₃^-

Question 21

Nitrite

Answer 21

NO₂^-

Question 22

Nitrate

Answer 22

NO₃^-

Question 23

Ethanoate

Answer 23

CH₃COO^-

Question 24

Permanganate

Answer 24

MnO₄^-

Question 25

Sulphide

Answer 25

S^2-

Question 26

Sulphite

Answer 26

SO₃^2-

Question 27

Sulphate

Answer 27

SO₄^2-

Question 28

Carbonate

Answer 28

CO₃^2-

Question 29

Hydrogen phosphate

Answer 29

HPO₄^2-

Question 30

Dichromate

Answer 30

Cr₂O₇^2-

Question 31

Phosphate

Answer 31

PO₄^3-

Question 32

Lithium

Answer 32

Li⁺

Question 33

Barium

Answer 33

Ba²⁺

Question 34

Tin

Answer 34

Sn²⁺

Question 35

Mercury

Answer 35

Hg²⁺

Question 36

Chromium

Answer 36

Cr³⁺

Question 37

Chloride

Answer 37

Cl^-

Question 38

Flouride

Answer 38

F^-