Question

The atoms of which elements are least likely to form chemical bonds? Check all that apply.

-phosphorus (P)
-helium (He)
-sodium (Na)
-carbon (C)
-oxygen (O)
-neon (Ne)
-argon (Ar)

Answer 1

I am pretty sure the answers are helium, neon, argon because they are in Group 18 which they fulfill the octet rule, which means they have a full valence shell.

Answer 2

the correct answers are He, Ne, Ar (Helium, Neon, Argon)