Question

which kind of matter is each sample? sample 1 sample 2 sample 3 element element element compound compound compound mixture mixture mixture submit not quite. review and try again!

Explanation:

Step1: Define element

An element consists of only one - type of atom.

Step2: Analyze Sample 1

Sample 1 has only one - type of atom (represented by orange spheres), so it is an element.

Step3: Analyze Sample 2

Sample 2 has two types of atoms (green and red spheres) combined into molecules, so it is a compound.

Step4: Analyze Sample 3

Sample 3 has two types of atoms (blue and yellow spheres) combined into molecules, so it is a compound.

Answer:

Sample 1: Element
Sample 2: Compound
Sample 3: Compound