Period 4 element

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
# 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
e--conf.

Alkali metals	Alkaline earths	Lanthanide	Actinides	Transition metals
Other metals	Metalloids	Nonmetals	Halogens	Noble gases

Period 1 element - Period 2 element - Period 3 element - Period 4 element - Period 5 element - Period 6 element - Period 7 element - Period 8 element[?] -