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1 vote
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

2 Answers

4 votes
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.
User Flalar
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4 votes

Answer:

B. helium, xenon, neon

Step-by-step explanation:

User Divyanshu Bhargava
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