which kind of matter is each sample? sample 1 sample 2 sample 3 element element element compound compound…

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!
Answer
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