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Elements

Across
This element has the symbol Au
This element has the mass of 47.8
This element has the mass of 200.6
This element has 6 protons
The element has 15 protons
This element has the symbol Ag
This element has 20 protons
This element has 39 protons
This element has 48 protons
Down
This element has 3 protons
This element has the symbol N
This element has 100 protons
This element has the mass of 9.01
This element has the symbol Ni
This element has 58 protons