25 21
352 3p6 452 3.10
65° 4f¹4.5d²0 6p6 752 514 7pr
брь тр
Determine what elements are denoted by the following electron
11)
2)
3)
4)
-5)
encium
1s²2s²2p 3s²3p4
10
1s²2s²2p 3s²3p 4s²3d¹04p°5s¹
[Kr]
[Xe]
[Rn] 7s25f11
5s24d105p3.
6s²4f¹45d6



Answer :