Which among the following noble gas has highest molar mass?

Q. Which among the following noble gas has highest molar mass?
Answer: Xe
Notes: The molar mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol). The molar mass of the given noble gases are as follows:

Argon (Ar): 39.9480 g/mol;
Neon (Ne): 50.1858 g/mol;
Krypton (Kr): 83.7980 g/mol;
Xenon (Xe): 131.2930 g/mol.

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