SOLAR SYSTEM

Detailed explanation-1: -Typical nonmetals have a dull, coloured or colourless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides.

Detailed explanation-2: -Physical Properties of nonmetals: Non-Malleable and Ductile: Non-metals are very brittle, and cannot be rolled into wires or pounded into sheets. Conduction: They are poor conductors of heat and electricity. Seven non-metals exist under standard conditions as diatomic molecules: H2(g)

Detailed explanation-3: -Note: Non-metals are considered as insulators because they have extremely high resistance to the flow of charge through them. The atoms hold onto their electrons tightly and so they cannot conduct electricity.

Detailed explanation-4: -Non-metals vary greatly in appearance. They do not have lustre. As it does not have any free electrons light falling on non-metals does not reflect and hence non-metals are not shiny. Hence, they have a very dull appearance.