The Ultimate Period 7 element - American History Information Guide and Reference

A period 7 element is one of the chemical elements in the seventh row (or period) of the periodic table of the elements.

These are:

Chemical elements in the seventh period
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Group	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
# Name	87 Fr	88 Ra	89-103	104 Rf	105 Db	106 Sg	107 Bh	108 Hs	109 Mt	110 Ds	111 Rg	112 Uub	113 Uut	114 Uuq	115 Uup	116 Uuh	117 Uus	118 Uuo

Chemical elements in the actinides
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# Name	89 Ac	90 Th	91 Pa	92 U	93 Np	94 Pu	95 Am	96 Cm	97 Bk	98 Cf	99 Es	100 Fm	101 Md	102 No	103 Lr

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

Your American History Reference Guide! - Period 7 element