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PLEASE HELP ASAP!! Nitrogen, Helium, and Neon would all be gases at room temperature; Why is this?


Lithium, Sodium, and Potassium would all be solids at room temperature; Why is this?

Verified Answer :

AL2006

-- The boiling points of the first group are all at temperatures
that are way lower than a comfortable room.
. . . . . Nitrogen . . .  -320° F
. . . . . Helium . . . .  -452° F
. . . . . Neon . . . . .  -411° F

The freezing points of the second group are all at temperatures
that are way higher than a comfortable room.
. . . . . Lithium. . . . . .  357° F
. . . . . Sodium . . . . .  208° F
. . . . . Potassium . . .  146 °F