Question

All the nonmetals have some similar physical properties.
True
False

Answer 1

All the nonmetals have some similar physical properties is false because
all non metals within the same group have similar properties.

Answer 2

TRUE.

Nonmetals have some similar physical properties.

En general:

- They are either gases or brittle solids.
-  They are opaque
- They are poor conductors of heat and electricity.