Question

2. Define the term ualency, with reference to
water and amoninian compound spectively​

Answer 1

Answer:

Water which is H 2O, two atoms of hydrogen combine with one atom of oxygen. The valency of oxygen is 2, because it needs two atoms of hydrogen to form water. Ammonia which is NH 3 , One atom of nitrogen combines with 3 atoms of hydrogen. The valency of nitrogen is 3 because it needs 3 atoms of hydrogen to form ammonia.