Across
1
Nerve cell in the brain
3
Substance with pH below 7
6
Blocking of light by a celestial body
8
Substance with pH above 7
Down
2
Second lightest element
4
Icy body with a tail near the sun
5
Unit of power
7
Solid with repeating atomic pattern
Nerve cell in the brain
Substance with pH below 7
Blocking of light by a celestial body
Substance with pH above 7
Second lightest element
Icy body with a tail near the sun
Unit of power
Solid with repeating atomic pattern