4. periodoko elementu

4. periodoko elementuak taula periodikoan laugarren lerroan ageri diren elementuak dira.

Hauek dira:

Laugarren periodoko elementu kimikoak
Taldea 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
#
Izenak		 19
K		 20
Ca		 21
Sc		 22
Ti		 23
V		 24
Cr[1]		 25
Mn		 26
Fe		 27
Co		 28
Ni		 29
Cu[1]		 30
Zn		 31
Ga		 32
Ge		 33
As		 34
Se		 35
Br		 36
Kr
Konf. elektr.

[Ar]=[Ne] 3s2 3p6

 [Ar] 4s1 [Ar] 4s2 [Ar] 4s2 3d1 [Ar] 4s2 3d2 [Ar] 4s2 3d3 [Ar] 4s1 3d5 [Ar] 4s2 3d5 [Ar] 4s2 3d6 [Ar] 4s2 3d7 [Ar] 4s2 3d8 [Ar] 4s1 3d10 [Ar] 4s2 3d10 [Ar] 4s2 3d10 4p1 [Ar] 4s2 3d10 4p2 [Ar] 4s2 3d10 4p3 [Ar] 4s2 3d10 4p4 [Ar] 4s2 3d10 4p5 [Ar] 4s2 3d10 4p6

Kanpo estekak
  1. Moeller-diagramaren salbuespena.
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