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Which is krypton and why?​
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17 votes
Which is krypton and why?​

Which is krypton and why?​-example-1
User Tuan
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1 Answer

11 votes

Answer:

B is krypton

Step-by-step explanation:

Atomic radius increases when going down a group so Helium is smallest and radon is biggest.

User Paul Hilliar
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