I think they are people who deal with chemicals
chemist
A scientist, or just a chemist.
you call it chemist i think
A herd.
Chemist
I think they are people who deal with chemicals
A chemist
chemist
A person that studies chemistry is called a student of chemistry.A person that successfully studied chemistry (trained in chemistry) and earned a degreeis called a chemist or a pharmacist (British English).
it is bolling point. in chemist it is call sublimentation
Geologist
sexagenarian