Crossword Clue:

ISOTOPE a form of an element

AnswerCrossword Clue
ISOTOPEParticular form of an element
ISOTOPEForm of a chemical element.
ISOTOPEUseful form of a chemical element.
NITRContaining a gaseous element: Comb. form
SILICOContaining a nonmetallic element: Comb. form
MINUETIt's done in the form of an S or a Z