Across
1
Glass that splits light into spectrum
3
Center of an atom or cell
6
Smallest unit of an element
9
Solid with repeating atomic pattern
11
Group of similar cells
Down
1
Fourth state of matter
2
Preserved remains of ancient life
4
Chemical element in table salt
5
Icy body with a tail near the sun
7
Blocking of light by a celestial body
8
Substance with pH above 7
10
Magnetic metallic element