Question

a. Mention one physical property of a metal OR a non – metal which is exceptional to their general properties.
b. Write the chemical equation for a non – metallic oxide reaction with water?

Answer 1

Answer:

Mercury is liquid metal unlike others.

Diamond is hardest non metal unlike others.

Graphite is a non metal which flows electricity unlike others.

Answer 2

Answer:

metal is malleable

non metal is ductile

metal is hard except sodium

non metal is soft except diamond

b) non metal do not react with water to envolve hydrogen gas