Quarkian

From Memory Alpha, the free Star Trek reference

Name:	Quarkian
Symbol:	Qk
Atomic Number:	Unknown
Atomic Weight:	37

Quarkian is a chemical element listed on the Table of Elements. It is a member of the Omega series. (TNG: "Rascals")

The element Quarkian is presumably named after subatomic quark, but it may have been named after the DS9 character Quark, since Deep Space Nine was in pre-production at the time.

Omega series
Elements:	Quarkian • Snarkium • Smutkoian • Craftium • Fieldium
Other series:	Hypersonic series • Gamma series • World series • Transonic series • Mega series