Molecular

4 clues
Biology variety
Kind of weight or formula
Like some small biological projects?
Relating to groups of atoms bonded together
Similar answers:
Abrightparticularstar
Adcircular
Amole
Amoles
Aparticulararea
Articular
Avuncular
Binocular
Binoculars
Binocularspants
Binocularvision
Celebritymole
Circular
Circularcut
Circularfile
Circularfiles
Circularlife
Circularlogic
Circularphile
Circularprofile