Across
1
Smallest unit of an element
4
Reddish electrical conductor
6
Solid with repeating atomic pattern
8
Unit of force
9
Basic unit of life
10
Nerve cell in the brain
11
Tectonic landmass section
Down
2
Precious yellow metallic element
3
Amplified beam of light
5
Blocking of light by a celestial body
7
Unit of electric potential