Question

Give reason for the following:
a. Zinc oxide is considered as an amphoteric oxide,
b. Nonmetals do not displace hydrogen from dilute acids.
c. Metals conduct electricity.​

Answer 1

Answer:

a. because it reacts with both acid and base

b. because nonmetals have "tendency to accept electrons". Hence, they cannot provide free electrons in the acidic medium to release hydrogen gas.

c.because they readily give up their valence electrons