Period 4 element

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A period 4 element is one of the chemical elements in the fourth row (or period) of the periodic table of the elements.

These are:

Chemical elements in the fourth period

Group	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Atomic number Name	19 K	20 Ca	21 Sc	22 Ti	23 V	24 Cr	25 Mn	26 Fe	27 Co	28 Ni	29 Cu	30 Zn	31 Ga	32 Ge	33 As	34 Se	35 Br	36 Kr
electron configuration all begin with [Ar]	4s1	4s2	3d14s2	3d24s2	3d34s2	3d54s1	3d54s2	3d64s2	3d74s2	3d84s2	3d104s1	3d104s2	3d104s24p1	3d104s24p2	3d104s24p3	3d104s24p4	3d104s24p5	3d104s24p6

Element categories in the periodic table

Metals						Metalloids	Nonmetals
Alkali metals	Alkaline earth metals	Inner transition elements		Transition elements	Other metals		Other nonmetals	Halogens	Noble gases
		Lanthanides	Actinides

v • d • e Periodic tables
Layouts	Standard · Vertical · Full names · Names and atomic masses · Text for last · Huge table · Metals and nonmetals · Blocks · Valences · Inline f-block · 218 elements · Electron configurations · Atomic masses · Electronegativities · Alternatives
Lists of elements	Name · Atomic symbol · Atomic number · Boiling point · Melting point · Density · Atomic mass
Groups	1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · 12 · 13 · 14 · 15 · 16 · 17 · 18
Periods:	1 · 2 · 3 · 4 · 5 · 6 · 7 · 8
Element categories	Alkalis · Alkaline earths · Lanthanides · Actinides · Transition metals · Metals · Metalloids · Nonmetals · Halogens · Noble gases
Blocks	s-block · p-block · d-block · f-block · g-block

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ast:Elementos del periodu 4 ca:Elements del període 4 de:Periode-4-Element es:Elementos del periodo 4 eo:Elemento de periodo 4 fr:Éléments de la période 4 ko:4주기 원소 it:Elementi del periodo 4 lmo:Elemeent del períut 4 nl:Periode-4-element ja:第4周期元素 sk:4. perióda sr:4. периода хемијских елемената sh:Elementi 4. periode sv:Grundämnen i period 4 ta:கிடைக்குழு 4 th:ธาตุคาบ 4 vi:Chu kỳ nguyên tố 4 tr:4. periyot elementleri zh:第4周期元素