Question

Va rog mult daca imi puteti face si mie configuratia electronica a elementelor din perioadele 1-4.

Answer 1

Z=1 1s1

Z=2 1s2

Z=3 1s2,2s1

Z=4 1s2,2s2

z=5 1s2,2s2,2p1

................

Z=10 1s2,2s2,2p6

Z=11 1s2,2s2,2p6,3s1

....................................

Z=18 1s2,2s2,2p6,3s2,3p6

Z=19 1s2,2s2,2p6,3s2,3p6,4s1

.......................................

Z=36 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6