1. Which one does not belong the the group?" helium iodine radon or krypton

asked Oct 24, 2022 172k views

3 votes

by LiriB

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3 votes

Answer:

Iodine

Step-by-step explanation:

Helium, Radon, and Krypton are all in group 18 but Iodine is not

(it's in group 17)

Daniel Grima answered Oct 28, 2022

7.6k points

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