Formulae And Equations Flashcards
1
Q
What is the valency of sulphate SO4?
A
2
2
Q
What is the valency of nitrate NO3?
A
1
3
Q
What is the valency of carbonate CO3?
A
2
4
Q
What is the valency of ammonium NH4?
A
1
5
Q
What is the valency of copper Cu?
A
2
6
Q
What is the valency of zinc Zn?
A
2
7
Q
What is the valency of silver Ag?
A
1
8
Q
What is the formulae for water?
A
H2O
9
Q
What is the formulae for nitric acid?
A
HNO3
10
Q
What is the formulae for sulphuric acid?
A
H2SO4
11
Q
What is the formulae for hydrochloric acid?
A
HCl
12
Q
What is the formulae for carbon monoxide?
A
CO
13
Q
What is the formulae for carbon dioxide?
A
CO2
14
Q
What is the formulae for ammonia?
A
NH3
15
Q
Which elements are diatomic?
A
H2 N2 O2 F2 Cl2 Br2 I2
