Question

Question-4
Match the atomic 4, 14, 8, 15 and 19 with each of the following:
a) A solid non-metal of valency 3
b) A gas of valency 2
c) A metal of valency 1
d) A non-metal of valency 4​

Answer 1

Answer:

a.15 phosphorus

b.8 oxygen

c.19 potassium

d.14 sulpher