10 June, 02:45
Which element is a noble gas?
Sr As or Kr
10 June, 03:35
Kr - Krypton
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
10 June, 04:22
Kr, Krypton is a noble gas
it is in group 8a on the periodic table.
ps ... this is chemistry, not math
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