Question

an atom has a protons. which element is it?

Answer 1

The atomic number is the number of protons in an atom of an element. In our example, krypton's atomic number is 36. This tells us that an atom of krypton has 36 protons in its nucleus. The interesting thing here is that every atom of krypton contains 36 protons.
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Answer 2

chlorine is that electron please mark as brain list