14
in December it was 5f
50
No. Uranium (92U) is the 4th elements in th actinide-group, this is the 5f block (configuration: [Rn] 5f3 6d1 7s2) All but one of the actinides are f-block elements, corresponding to the filling of the 5f electron shell; lawrencium, a d-block element, is also generally considered an actinide
2d is invalid. Only s and p orbitals in 2nd energy level
A 5f
5F
e = 5f f = e/5
5F stands for 5 Francs, the currency of France before the conversion to the Euro.
Fingers on a hand.
It then is: 5f
5f
3 x -5f equal help please and explain = -2
Firstly your english is terrible. And the average height is 5f to 5f 2"
258.15K
258.15K
If: 5f+3 = 28 then f = 5 because (5*5)+3 = 28