Across
1
Precious yellow metallic element
3
Center of an atom or cell
6
Gas form of a liquid
7
Smallest unit of an element
Down
2
Second lightest element
4
Fourth state of matter
5
Chemical element in table salt
8
Tectonic landmass section
Precious yellow metallic element
Center of an atom or cell
Gas form of a liquid
Smallest unit of an element
Second lightest element
Fourth state of matter
Chemical element in table salt
Tectonic landmass section