Question

please friends help me for the question in image​

Answer 1

Answer:

Hydrogen: one electron

Helium: two electrons

Lithium:3 electons

Beryllium:4 electrons

Boron:5 electrons

Carbon:6 electrons

Nitrogen:7 electrons

Oxygen:8 electrons

Fluorine:9 electrons

neon:10 electrons.

Explanation:

the atomic number of each elements tells us the number of electrons present in it.

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Answer 2

Please have a look on the above chart.Hope it will help you!!!