Key formula

Question 1

What is the formula for lithium

Answer 1

Li+

Question 2

What is the formula for sodium

Answer 2

Na+

Question 3

What is the formula for potassium

Answer 3

K+

Question 4

What is the formula for silver

Answer 4

Ag+

Question 5

What is the formula for ammonium

Answer 5

NH4+

Question 6

What is the formula for magnesium

Answer 6

Mg2+

Question 7

What is the formula for calcium

Answer 7

Ca2+

Question 8

What is the formula for zinc

Answer 8

Zn2+

Question 9

What is the formula for copper (II)

Answer 9

Cu2+

Question 10

What is the formula for iron (II)

Answer 10

Fe2+

Question 11

What is the formula for aluminium

Answer 11

Al3+

Question 12

What is the formula for iron (III)

Answer 12

Fe3+

Question 13

What is the formula for nitride

Answer 13

N3-

Question 14

What is the formula for phosphide

Answer 14

P3-

Question 15

What is the formula for phosphate

Answer 15

PO4^3-

Question 16

What is the formula for oxide

Answer 16

O2-

Question 17

What is the formula for sulfide

Answer 17

S2-

Question 18

What is the formula for carbonate

Answer 18

CO3^2-

Question 19

What is the formula for sulphate

Answer 19

SO4^2-

Question 20

What is the formula for flouride

Answer 20

F-

Question 21

What is the formula for chlorine

Answer 21

Cl-

Question 22

What is the formula for bromide

Answer 22

Br-

Question 23

What is the formula for hydroxide

Answer 23

OH-

Question 24

What is the formula for nitrate

Answer 24

NO3-