Wikipedia:WikiProject Elements/PTG/theme-metal-nonmetal
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Metal–Metalloid–Nonmetal
- Metal
- Wikipedia talk:WikiProject Elements § About the 3-category classification (At is Moid or Nonmetal halogen)? 21:12, 13 January 2021 (UTC)~
2020
- 2020 note: so when halogens are not marked, a metalloids change of category?