Type the symbol
The largest Alkali Metal ———
Halogen that is liquid at room temperature———
Most common element in earth———
Nonmetal with one valence electron———
A dense metal named for its use by Romans as pipes for plumbing———
Largest atomic radius of all period 4 element———-
Nonmetal that gain 3 electron to be stable like Neón———
Metalloid that that is a major component of sand———