Question

Which staternent about all the noble gases is correct?

A The number of protons in the atoms equals the number of neutrons.
B Their atoms each have a stable arrangement of electrons.
C Their atoms each have eight electrons in their outer shell
D They exist as molecules containing two atoms.​

Answer 1

Answer:

B

Explanation:

The electrons in all noble gases are filled with electrons and don't need to involve in a reaction to gain or loss

The answer A is wrong because not all of them has same number of protons equal the neutrons

Answer C is wrong because we can see helium with 2 electrons in outer shell

and Answer D is wrong as we say above each atom doesn't need to react with another to be stable