Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas?
Helium
Argon
Chlorine
Krypton
Answers
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3
Answer:
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Explanation:
Chlorine is not a noble gas. It's one electron shy of a full octet, so unlike the noble gases, it's highly reactive !
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Answered by
2
Answer:
chlorine
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