no boron is not a noble gas but it is a nonmetal
Boron is an metalloid element
Boron is naturally a gas. It does not have luster.
Boron is a metalloid.
The electron configuration of boron is: [He]2s2.2p1.
Yes, like all elements boron can exist as a solid, liquid, or gas.
Boron is a solid at room temperature
solid
Noble gas
[He] 2s2 2p1
It is a solid.
At room temperature chlorine is a gas, boron is a solid. So at room temperature boron is much denser than chlorine.