For this specific problem, these would be the answer to the
following choices:
a. excited
b. ground
c. impossible
I am hoping that these answers have satisfied your queries and
it will be able to help you, thank you and have a nice day.
Because their molecules are more tightly packed. Massdensity = ---------- Volume
So more densely packed molecules means more mass per unit volume. Hence metals are denser than non-metals.
Formula for Xenon hexafluoride is XeF6
