These three members of the noble gas family all have one property in common because they are gases at room temperature. that is they a) are combustible. b) are compressible. c) are relatively dense. d) have no definite shape but a definite volume.

B) are compressible.  

gasses are compressible

Option (B) is the correct answer.

Explanation:

Noble gases group 18 elements. Members of this group are He, Ne, Ar, Kr, Xe, and Rn.

All these elements have completely filled sub-shells and hence they are stable in nature. All the elements of group 18 are gases, this means that their particles are loosely held due to weak intermolecular interaction.

As a result, their particles can move freely from one place to another. These gases can be compressed in order to bring their particles together. It is also known that all gases are compressible in nature.

Thus, we can conclude that noble gases have one property in common is that they are compressible.

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