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
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Alkali metals Alkaline earths Lanthanide Actinides Transition metals

Other metals Metalloids Nonmetals Halogens Noble gases