मूलद्रव्य
अणुअंक इलेक्ट्रॉन संयुजा संयुना
संख्यण इलेक्ट्रॉन
1
1
1
1
2.
2
2
0
2
2,1
4
2
हायड्रोजन
हेलिअम
लिथिअम
बेरिलिअम
बोरॉन
कार्बन
नायट्रोजन
5
2,3
4
2,4
2
3
7
Answers
Answered by
1
Answer:
answer is this okay yyy yyyyy
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Answered by
0
Explanation:
what do you mean by this question
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