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Which element is a noble gas? Sr As or Kr

Which element is a noble gas? Sr As or Kr
asked 154k views
1 vote
Which element is a noble gas?
Sr As or Kr

asked
User Geekoverdose
by
8.6k points

2 Answers

1 vote

Answer:

Kr, Krypton is a noble gas

Explanation:

it is in group 8a on the periodic table.

ps...this is chemistry, not math

answered
User Sujit Kamthe
by
7.6k points
3 votes

Answer:

Kr - Krypton

Explanation:

Kr has an atomic number of 36 and falls under group 8. This can be determined also using the KLMN shells. so for Kr we have;

k=2, L=8, M=18, N=8

answered
User Julien Grenier
by
8.4k points
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