Across
1
Positive particle in nucleus
2
The Red Planet
4
Magnetic metallic element
6
Mass per unit volume
7
Solid with repeating atomic pattern
Down
2
Naturally occurring inorganic solid
3
Precious yellow metallic element
5
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Positive particle in nucleus
The Red Planet
Magnetic metallic element
Mass per unit volume
Solid with repeating atomic pattern
Naturally occurring inorganic solid
Precious yellow metallic element
Push or pull on an object