Question

What is general configuration of Halogen alkali metals, nobel gasses

Answer 1

General configurations:

Halogens:2,8,7 (17th group)

Alkali metals :2,8,1 (1st group)

Nobel metals:2,8,8 (18th group)

Hope it helps..

Please mark brainliest

Answer 2

halogens end with 7 in valence shell

Ex: 1) flourine - 2,7

2) chlorine - 2,8,7

noble gasses end with 8

Ex: 1) neon - 2,8

2) argon - 2,8,8