Is iron a conductor or an insulator? O conductor O insulator

Draw metallic bonding if two copper

In pqr m< p=60 m< q= 30 and m

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car