Across
1
Smallest unit of an element
2
Nerve cell in the brain
3
Unit of energy
7
Gas form of a liquid
Down
2
Unit of force
4
The Red Planet
5
Chemical element in table salt
6
Element found in all living things
Smallest unit of an element
Nerve cell in the brain
Unit of energy
Gas form of a liquid
Unit of force
The Red Planet
Chemical element in table salt
Element found in all living things