Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by form]
6. [materials by chemical form]

Narrower term/s

• iron (metal) [NP][+]
  • structural iron [NP]
  • pig iron
• aluminum (metal) [NP][+]
  • structural aluminum [NP]
• antimony [NP]
• cadmium (metal) [NP]
• chromium [NP]
• copper (metal) [NP]
• gold (metal) [NP][+]
  • shell gold
  • gold leaf [NP]
  • quartz gold
• lead (metal) [NP]
• magnesium [NP]
• manganese [NP]
• mercury [NP]
• nickel (metal) [NP]
• silver (metal) [NP][+]
  • fine silver
• palladium [NP]
• platinum (metal) [NP]
• titanium [NP]
• tungsten [NP]
• uranium [NP]
• vanadium [NP]
• zinc [NP]
• sulfur (mineral) [NP]
• silicon [NP]
• argon [NP]
• tin (metal) [NP]
• selenium [NP]
• neon [NP]
• phosphorus [NP]
• potassium [NP]
• arsenic [NP]
• cobalt (mineral) [NP]
• trace elements
• boron [NP]
• calcium [NP]
• chlorine [NP]
• carbon [NP][+]
  • activated carbon
  • graphene
• sodium (sodium) [NP]
• nitrogen [NP]
• strontium [NP]
• bismuth [NP]
• thorium [NP]
• zirconium [NP]
• molybdenum [NP]
• iridium [NP]
• rubidium [NP]
• lithium [NP]
• rare earth elements[+]
  • yttrium [NP]
  • scandium [NP]
• iodine [NP]
• germanium [NP]
• niobium [NP]
• californium [NP]
• xenon [NP]
• ytterbium [NP]
• cerium
• cesium
• radon [NP]
• bromine [NP]
• gallium [NP]
• neodymium [NP]
• fluorine [NP]
• seaborgium
• radium [NP]
• rhodium [NP]

Anotations

Scope note:

Simple chemical substances composed of only one type of atom and not able to be broken down, changed, or decomposed by ordinary physical or chemical means. They are the basic chemical constituents of compounds and ultimately of all tangible matter in the universe.