Question

what is meant by valence electron ? give example for noble gased​

Answer 1

Answer:

Noble gases are nonreactive, nonmetallic elements in group 18 of the periodic table. ... The octet rule states that atoms react to form compounds that allow them to have eight valence electrons like the noble gases, which are the least reactive elements. Noble gases are used for balloons, light bulbs, and lighted signs.

Answer 2

Explanation:

Valence electrons are those who are in the outermost shell

eg of noble gases ,:- Argon neon Krypton xenon ognesson helium etc