Question

unlike an element, a(n) ______ may be separated through a physical process like filtration.
choose one option
a mixture
b compound
c atom
d molecule

Explanation:

• An element is a pure substance made of only one type of atom.
• A compound is a pure substance formed by chemical combination of two or more elements. Compounds can only be separated into elements by chemical means.
• An atom is the basic unit of an element.
• A molecule is a group of atoms bonded together.
• A mixture consists of two or more substances (elements or compounds) physically combined. Mixtures can be separated into their components by physical processes like filtration (for example, separating sand from water in a sand - water mixture).

Answer:

A. mixture