Wikipedia:WikiProject Elements/PTG/theme-metal-nonmetal

PTG (talk)
Periodic Table Graphics

Themes
(the sciences)
WT:ELEM

Graphics
(the presentations)

Blocks
(BLOCK) (talk)

State of Matter
(SOM) (talk)

Micro-PT
(MICRO) (talk)

Metal-Nonmetal
(M-nonM) (talk)

Resources
(sets, more)

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?