Question

Q.6 State the symbol and valency of the following. 4
a) Calcium
b) Sulphate
c) Alluminium
d) Nitrate

Answer 1

Answer:

calcium (Ca) valency is 1

sulphate (SO4) valency is 2

aluminum (Al) valency is 3

Nitrate (NO3) valency is 1

Answer 2

Answer:

a) Calcium

Symbol - Ca

valency - 2

b) Sulphate

Symbol - SO4

Valency - (-2)

c) Alluminium

Symbol - Al

Valency - 3

d) Nitrate

Symbol - NO3

Valency - 1