Predict the classification of krypton and elaborate on the reasoning. A) Krypton is a metal and has full core electron shells, is highly chemically reactive, and located on the right. B) Krypton is a noble gas and has a full valence electron shell, is chemically non-reactive, and located in group 8A. C) Krypton is a nonmetal and has a nearly full valence electron shell, is chemically reactive, and located by group 18. D) Krypton is a metalloid and has half-full core and valence electron shells, is chemically non-reactive, and located in group 10.

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1 September, 19:16

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Willow Rodriguez · Answer 1

Willow Rodriguez 1 September, 19:17

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The clear answer here is B

Josue Larson · Answer 2

B is correct. Krypton is a noble gas which has a full outer shell of 8 electrons and is generally unreactive because of it.