A Visual Encyclopedia of the Periodic Table

marvins-underground-k-12 (Marvins-Underground-K-12) 2020-12-09 18:58:54 UTC #1

Krypton (Kr)

becomes

visible only

when it is

electrified.

188-189_Noble_Gases_Opener.indd 188 02/12/16 6:52 pm