Question

question 10 of 25
what are the noble gases?
a. elements with seven valence electrons
b. elements with two valence electrons
c. elements with one valence electron
d. elements with two or eight valence electrons

Explanation:

Noble gases are chemically inert due to having a full - valence shell. Helium has 2 valence electrons and the rest of the noble gases (neon, argon, krypton, xenon, radon) have 8 valence electrons.

Answer:

D. Elements with two or eight valence electrons