Question

3 multiple choice 20 points which image represents an element? z w x y

Explanation:

An element is a pure substance made up of only one type of atom. In image X, there is only one type of particle (green spheres), representing one type of atom. Image Y has two - atom molecules made of two different types of atoms (green and purple), which is a compound. Image Z has different types of molecules (blue - white - red combinations and blue molecules), which is a mixture. Image W has multiple types of particles (green spheres, blue - white - red combinations, and green - purple two - atom molecules), which is also a mixture.

Answer:

C. X