Science, asked by madanvirdi2016, 6 months ago

2. ਕਿਸੇ ਤਤ ਦੀ ਇਲੈਕਟ੍ਰਾਨੀ ਤਰਤੀਬ
2,8,7ਹੈ। ਇਸ ਦੀ ਸੰਯੋਜਕਤਾ ਕਿੰਨੀ ਹੈ?
The electronic configuration of
an element is 2,8,7. What is its
valency?

Answers

Answered by rjsimran8

1

Answer:

-1

Explanation:

this is chlorine.... because it will gain 1 atom

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