has 1 proton

has 2 protons

has 3 protons

has 4 protons

Has 5 protons

has 6 protons

Has 7 protons

Has 8 protons

Has 9 protons

Has 10 protons

Has 11 protons

Has 12 protons

Has 13 protons

This element has 14 protons

which element has 15 protons

Which element has 16 protons?

which element has 17 protons?

Which element has 18 protons

which element has 19 protons?

which element has 20 protons?

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