Across
1
Substance with pH above 7
3
Solid with repeating atomic pattern
4
Group of similar cells
5
Magnetic metallic element
7
Reddish electrical conductor
Down
2
Center of an atom or cell
6
Our home planet
8
Hottest planet in solar system
9
Amplified beam of light
10
Absolute temperature scale unit
11
Smallest unit of an element