A material's ability to allow heat or electricity to flow through it...

How well a material shines or reflects light...

The amount of matter is inside an object...

How much space matter takes up...

How tightly packed the atoms are in a given space...

Ability to be pounded into thin sheets without breaking...

How something feels, like if it's rough or smooth...

A material's ability to be made into a thin wire
How something smells...

Please fill in the blanks