Question

Which of the following groups contain three elements with stable electron configurations?

A. xenon, neon, boron
B. helium, xenon, neon
C. argon, neon, barium
D. lithium, krypton, argon

Answer 1

Answer:

B. helium, xenon, neon

Explanation:

Answer 2

B is the correct answer because Helium, Xenon, and Neon are all Noble Gases at Group 18, which means they contain the full 8 electrons they need meaning they all have stable electron configurations.