Chemicalsymbols

3 clues
B C F H I K N O P S U V W Y
Elements" of the hypothesis, letter-wise
This puzzle's circled letters, for the words that precede them
Similar answers:
Biochemical
Chemical
Chemicalbalance
Chemicalbond
Chemicalcymbal
Chemicalelement
Chemicalelements
Chemicalformula
Chemicallydecay
Chemicalpeel
Chemicalpeels
Chemicalreagent
Chemicals
Chemicalspill
Chemicalsymbols
Chemicaltest
Chemicaltesting
Chemicalwaist
Chemicalx
Drycleaningchemicals