HYDROGEN was a little more
common or a little less common.
The Big Bang Theory Season 7, Episode 5
Atom of HYDROGEN,
Adam of Maroon 5, mic drop.
The Big Bang Theory Season 9, Episode 23
Didn't you say you're making
HYDROGEN sulfide gas?
The Big Bang Theory Season 4, Episode 4
A HYDROGEN atom, H,
plus pigs minus P, "higs."
The Big Bang Theory Season 3, Episode 13
they theoretically can separate
the HYDROGEN from the oxygen,
Breaking Bad Season 2, Episode 12