Across
1
Solid with repeating atomic pattern
5
Element found in all living things
7
Curved glass that refracts light
9
Positive particle in nucleus
10
Glass that splits light into spectrum
Down
2
Hottest planet in solar system
3
Smallest unit of an element
4
Magnetic metallic element
6
Naturally occurring inorganic solid
8
Fourth state of matter
11
Nerve cell in the brain