Science, asked by 007subhashree, 11 months ago

make a chart on electron configuration ,valence electrons and valency of 1 to 20 with name, formula and ions

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Answered by rajansinghsidhu585

3

Explanation:

this is। answer ..............

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Answered by Rupesh2020

6

Answer:

it is of 18 elements .....

mark as brainliest

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