Across
1
Compound containing oxygen
5
Solid with repeating atomic pattern
6
Particle of light
8
Hottest planet in solar system
9
Molten rock beneath Earth surface
Down
2
Gas form of a liquid
3
Chemical element in table salt
4
Center of an atom or cell
6
Glass that splits light into spectrum
7
Substance with pH above 7
8
Unit of electric potential
10
Precious yellow metallic element
11
Unit of force