If something was lustrous , but could only conduct electricity under certain cercumstances would that be a Metal, NON Metal or a Metaloid

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Compare and contrast physical changes with chemical changes.

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.