Math, asked by ashisharya64, 6 months ago

एक तत्व का इलेक्ट्रॉनिक विन्यास 2,8,7 है आवर्त सारणी में इस तत्व की वर्ग संख्या बताएं ​

Answers

Answered by adnanali16
8

Step-by-step explanation:

(a)The atomic number of element with electronic configuration 2,8,7=17.

(b)It has 7 valence electrons, therefore it would be chemically similar to F(9)=2,7.

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