solid
Mercury (Hg) is a liquid at room temperature.
I'm unfamiliar with this element "soduim", but I'm willing to bet it's temperature at room temperature will be... Oh, I dunno... room temperature.
24c (75.2f)
solid
gas at room temperature
Ozone is a gas.
Color less
at room temp.
A solid Sodium chloride is common table salt
true
14 days