What is krypton

Dear Student ,
Krypton (Kr)  is an inert gas and it belongs to group 18 of the periodic table. It does not react with the other atoms of the periodic table. The outer shell of the krypton is completely filled.
Uses of krypton :
1) Krypton is used as an filling gas in fluorescent lights and incandescent bulbs.
2) It is used in the photographic flashes.
3) Because of its inert nature , it is used in laser lights.

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