Question

परमाणु क्रमाक 17 तत्व का नाम इलेक्ट्रॉनिक विन्यास एवं इसकी संयोजकता बताइये

Answer 1

Answer:

chlorine

electronic configuration- 2,8,7

valency- -1

Answer 2

Answer:

in the explanation

Explanation:

the name of the element is = Chlorin (Cl)

the electronic configuration of the element is = (2 , 8 ,7)

the valency of the element is = (8 - 7)  = 1