00:01
All right, guys, zoom problem 140, chapter 7.
00:03
So they want to protect the atomic number for next alkaline metal after frantium and give its ground state electron configuration.
00:10
So that's pretty straightforward.
00:12
We have, we have n, n for angel level, 1, 2, 3, 4, 5, 6, 7.
00:16
So the, so we're at the, so the next, the next x alkaline metal is going to be at n equals 8, and that's going to be at the s orbital.
00:28
So the closest that we are going, the closest, a noble gas right before our next alkaline mel, that's going to be ununatium.
00:35
So we can use that as parentheses to show, to denote all the core electrons...