Across
1
Solid with repeating atomic pattern
5
Measure of matter in an object
7
Compound containing oxygen
8
Magnetic metallic element
12
Disturbance that transfers energy
Down
2
Infectious microscopic agent
3
Mass per unit volume
4
Substance with pH below 7
6
Substance with pH above 7
9
Unit of electric potential
10
Basic unit of life
11
Naturally occurring inorganic solid
