Across
1
The Red Planet
3
Unit of heredity
4
Compound containing oxygen
6
Positive particle in nucleus
8
Magnetic metallic element
9
Unit of force
Down
2
Second lightest element
5
Unit of energy
7
Nerve cell in the brain
10
Particle of light
The Red Planet
Unit of heredity
Compound containing oxygen
Positive particle in nucleus
Magnetic metallic element
Unit of force
Second lightest element
Unit of energy
Nerve cell in the brain
Particle of light