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05-09-2020
Chemistry

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if I know the number of protons an element has do I know what element it is ?

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05-09-2020

Answer:

Yes.

Explanation:

The atomic number is derived from the number of protons. For example: Radium has 88 protons and its atomic number is 88. Helium has 2 protons its atomic number is 2. Sodium's atomic number is 11 it has 11 protons.

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