(Q2)
boron (B)
nitrogen (N)
fluorine (F)
vanadium (V)
(Q3)
lithium (Li)
chlorine (Cl)
argon (Ar)
calcium (Ca)
manganese (Mn)
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Answers & Comments
(Q2)
boron (B)
nitrogen (N)
fluorine (F)
vanadium (V)
(Q3)
lithium (Li)
chlorine (Cl)
argon (Ar)
calcium (Ca)
manganese (Mn)
Iron (Fe)
Silver (Ag)
Mercury (Hg)
Lead (Pb)
Silicon (Si)
Magnesium (Mg)
Gold (Au)