Periodic Table Navigator

		Group
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Period	▲ 4 ▼	19 K Potassium [Ar] 4s1	20 Ca Calcium [Ar] 4s2	21 Sc Scandium [Ar] 4s2 3d1	22 Ti Titanium [Ar] 4s2 3d2	23 V Vanadium [Ar] 4s2 3d3	24 Cr Chromium [Ar] 4s1 3d5	25 Mn Manganese [Ar] 4s2 3d5	26 Fe Iron [Ar] 4s2 3d6	27 Co Cobalt [Ar] 4s2 3d7	28 Ni Nickel [Ar] 4s2 3d8	29 Cu Copper [Ar] 4s1 3d10	30 Zn Zinc [Ar] 4s2 3d10	31 Ga Gallium [Ar] 4s2 3d10 4p1	32 Ge Germanium [Ar] 4s2 3d10 4p2	33 As Arsenic [Ar] 4s2 3d10 4p3	34 Se Selenium [Ar] 4s2 3d10 4p4	35 Br Bromine [Ar] 4s2 3d10 4p5	36 Kr Krypton [Ar] 4s2 3d10 4p6

Tip: Hover over an element to compare its electron configuration to that of the element to its right.