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Nitrogen (N), oxygen (O), chlorine (Cl), neon (Ne), and argon (Ar) are all elements that occur as a gas at room temperature (20°C). Using the periodic table, which pair of gases has the most similar properties?

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yashddsy26
neon and Argon both are noble gas, so they have same property !!
kenmyna

The  gases  that has the  most similar  properties   is

Neon (Ne)  and  Argon (Ar)


explanation

   From  periodic  table    both Argon (Ar)  and  Neon(Ne)    are element in  group 18   which are referred  to  as  noble  gases.

Noble  gases are  inert since they have eight (8)   valence  electrons ( electrons in their  outermost shell)   which  make them  stable(  neither gain or  lose  electrons)

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