Question

list Four physical properties of nonmetals

Answer 1

➡non metals exist in all states
Solid - carbon , iodine, sulphur
Liquid - bromine
Gas - oxygen, hydrogen
➡they are soft
Exception- diamond an allotrope of carbon.
➡they are poor conductors of heat and electricity.
Exception- graphite an allotrope of carbon.
➡they have low melting point and boiling point.
Exception- diamond has high melting point and boiling point.
Graphite have high melting point