divide it
26
L + S = 72 so L = 72 - S; 4L - 3S = 78 ie 4(72 - S) - 3S = 78 ie 288 - 4S - 3S = 78 ie 7S = 210 so S = 30 and L = 42. And there you have it!
28 3s
8
How many 3s are in 15
9
L + S = 72 so L = 72 - S; 4L - 3S = 78 ie 4(72 - S) - 3S = 78 ie 288 - 4S - 3S = 78 ie 7S = 210 so S = 30 and L = 42. And there you have it!
how many 3s gointoo 33
28 3s
8
The are two electrons in the 3s orbital of magnesium (Mg.)
How many 3s are in 15
37.6666667
9
4
16
2,560
10