How are compound, elements, and mixure different

Explanation:

Compound: a substance that is made up of more than 1 type of atom bonded together Example: H2O

Mixture: combination of two or more elements or compounds not chemicaly bonded together. example: Sugar and salt in one container

elements pure substance of an atom. Example: hydrogen

maybe the spark is gone, love is a weird emotion and there is a possibility he may have found somebody else.

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).