
Helium has
an ATOMIC number of two.
The Big Bang Theory Season 7, Episode 3

If you multiply that
by the ATOMIC number of "N"--
The Big Bang Theory Season 7, Episode 3

And she found ATOMIC spectroscopy boring.
I wouldn't coitus her with your genitals.
The Big Bang Theory Season 9, Episode 8

I mean, he works with lasers
and ATOMIC magnets.
The Big Bang Theory Season 7, Episode 24

Atomic magnets?
The Big Bang Theory Season 7, Episode 24