Across
1
Second lightest element
5
Unit of power
6
Element found in all living things
7
Natural satellite of Earth
8
Gas essential for breathing
Down
2
Particle of light
3
Magnetic metallic element
4
Chemical element in table salt
Second lightest element
Unit of power
Element found in all living things
Natural satellite of Earth
Gas essential for breathing
Particle of light
Magnetic metallic element
Chemical element in table salt