Conduction is the transfer of electrons from charged object to another object by rubbing true or false

What does x represent in the formula for the compound xcl4?

May someone me with these science questions

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