Question

<br />साधारणतया हैलोजनों का सामान्य इलेक्ट्रॉनिक विन्यास........होता है।​

Answer 1

Answer:

Halogens are nonmetals in group 17 (or VII) of the periodic table. Down the group, atom size increases. ... Due to their high effective nuclear charge, halogens are highly electronegative. Therefore, they are highly reactive and can gain an electron through reaction with other elements.