A pencil is a mixture because it does not chemically bond, which needs to happen for it to be a compound. An element is something that is pure so a pencil cannot be an element.
A pencil is a mixture because it does not chemically bond, which needs to happen for it to be a compound. An element is something that is pure so a pencil cannot be an element.
Carbon is an element and sugar is a compound.
Heterogeneous
Pencil lead is actually not lead (Pb) at all, but it is graphite. And graphite is simply carbons atoms. So, no, it is NOT a compound mixture.
Mixture
Pencil lead is a mixture of graphite (or other colored pigment) and a binder (e.g. clay, wax, plastic, grease).
No, energy is NOT an element, a compound or a mixture.
electricity is not a compound, mixture or element.
electricity is not a compound, mixture or element.
It is a mixture.
Since it is made up of more than 2 different parts, I would say it is a heterogeneous mixture.
Is gasoline a element a mixture or a compound