main group (Q428830)
set of chemical elements in the s- and p-blocks
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aliases main-group element
description set of chemical elements in the s- and p-blocks

External Links
(P646) /m/04y96
(P683) 33318
(P2581) 01227396n
(P4746) 139165
(P6366) 54281723
(P10283) C54281723
(P10376) chemistry/main-group-element
(P10565) 495719