Advertisements
Advertisements
Question
With reference to water and ammonia as compounds respectively, state the valency of oxygen and nitrogen.
Advertisements
Solution
With reference to water (H2O) and ammonia (NH3):
- Valency of oxygen = 2, because it combines with two hydrogen atoms in water.
- Valency of nitrogen = 3, because it combines with three hydrogen atoms in ammonia.
APPEARS IN
RELATED QUESTIONS
Write the molecular formula for the oxide and sulphide of following elements of Calcium
Write the molecular formulae for the following compounds and name the elements present of Sulphuric acid
The valency of aluminium is 3. Write the valency of other radicals present in the following compound.
Aluminium chloride
Write the molecular formulae of Lead (II) oxide – PbO.
Explain the term ‘variable valency’.
Write the chemical formula of the following compound in a step-by-step manner –
Potassium nitrate
Write the chemical formula of the following compound in a step-by-step manner –
Calcium bicarbonate
Write the chemical formula of the following compound in a step-by-step manner –
Potassium sulphate
Write the chemical formula of the following compound in a step-by-step manner –
Sodium zincate
Write the chemical formula of the following compound in a step-by-step manner –
Iron [III] oxide
