Across
1
Solid with repeating atomic pattern
2
Unit of heredity
7
Disturbance that transfers energy
8
Glass that splits light into spectrum
10
Naturally occurring inorganic solid
11
Measure of matter in an object
12
Group of similar cells
Down
2
Precious yellow metallic element
3
Second lightest element
4
Infectious microscopic agent
5
Unit of power
6
Substance with pH above 7
9
Gas form of a liquid