Question

if an atom has 11 protons then how many electron_____ ​

Answer 1

Explanation:

The mass number is given at the top left of the elements symbol, for example,sodium has a mass number of 23. We know that the atomic number of sodiumis 11. This tells us that sodium has 11 protons and because it is neutral it has 11 electrons.

hope this helps

Answer 2

Answer:

11

Explanation:

the number of protons, electron,and neutron are same before combining

i thnk the elements is Sodium bcz its atomic no. is 11

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