Chemical elements and their atomic numbers

Every element of the periodic table and the number of protons in its nucleus.

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Front hydrogen

Back 1
Front helium

Back 2
Front lithium

Back 3
Front beryllium

Back 4
Front boron

Back 5

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Licence: Creative Commons Zero v1.0 Universal CC0-1.0
Attribution: Source : https://query.wikidata.org/sparql — Licence : Creative Commons Zero v1.0 Universal (https://creativecommons.org/publicdomain/zero/1.0/)
Source: Wikidata
Retrieved on: 2026-08-05
Topic: Science
Language: English
Version: 5
Updated on: 2026-08-05

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