A Visual Encyclopedia of the Periodic Table

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

Pure hydrogen

(H) fills this

glass sphere,

and produces

a purple

glow when

electrified.

018-019_The_Hydrogen_Group_Opener.indd 18 02/12/16 6:52 pm