An atom has atomic number 11 and mass number 23. How many electrons does the atom have? 23 22 12 11

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21-02-2019
Chemistry

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An atom has atomic number 11 and mass number 23. How many electrons does the atom have? 23 22 12 11

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miinoliwickramasingh miinoliwickramasingh · Answer 1 · 2019-02-21T01:30:43+01:00

miinoliwickramasingh miinoliwickramasingh

21-02-2019

Since it has an atomic number of 11 it must have 11 protons. Since it has an atomic mass of 23 it must have 12 neutrons. If it is electrically neutral, it will have 11 electrons.

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kelsieleb kelsieleb · Answer 2 · 2019-08-11T07:14:10+02:00

kelsieleb kelsieleb

11-08-2019

Answer:

11

Explanation:

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