Chemistry
Pie Chart of Elements in the Periodic Table by Category
Last reviewed on 2026-05-22.
Chemistry — verifiable data, editable template
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The 118 known chemical elements fall into clear categories — metals dominate, with transition metals being the largest single group. Counts as of completion of period 7.
The data
- Transition metals — 38 elements
- Lanthanides — 15 elements
- Actinides — 15 elements
- Nonmetals — 7 elements
- Noble gases — 7 elements
- Alkali metals — 6 elements
- Alkaline earth metals — 6 elements
- Metalloids — 7 elements
- Post-transition metals — 11 elements
- Halogens — 6 elements
Source
IUPAC element classification.
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