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NeX [460]
2 years ago
7

The chart below gives the atomic number and mass number of two elements.

Chemistry
1 answer:
elixir [45]2 years ago
4 0
Element || has 9 protons. It’s F “Fluorine”.
And element | has 10 protons it’s Ne “Neon”.
Protons are located at the up of every single elements.
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