All of the noble gases have this fact in common:
A. They are all radioactive.
B. Their outer shells are full of electrons.
C. They will react chemically with other elements quite easily.
D. They are all very common and can be found easily in nature.
C. Obviously, all are gases, meaning that they only form liquids or solids at extremely low ... Rather than reacting to, or bonding with, other elements,
