Science, asked by varshachoudhary1214, 4 hours ago

Derive the valency with the help of electronic configuration given and also identify the element : 1) 2,8, 3,
2)2,7
3) 2,8,5

plz answer the question​

Answers

Answered by hsvedant
1

Answer:

1st element's valency is +3 and the element is aluminum

2nd valency is -1 and the element is chlorine

3rd valency is-3 and the element is phosphorus

Answered by krithiksha2020
1

Answer:

1) +3=aluminium

2) -1=chlorine

3)-3=phosphorus

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