Zusammenfassung der Ressource
Metals
- Left of line on Periodic Table
- Lose electrons to become stable
- Form positive ions
with free moving
electrons held within
the lattice.
- Sea of -ley charged electrons
- attracts positive ions (holding
them together)
- Balances repulsion between positive ions
(stopping them being forced apart)
- Properties
- Shiny
- Hard
- Strong/durable
- Solid at room temperature
- (Except mercury- liquid)
- Malleable
- Ductile
- Conduct electricity and
heat well
- Iron, cobalt and nickel
are magnetic
- Metal ores
- Rocks that contain a metal
compound
- %age mass of metal in the ore=
mass of metal in formal/formula
mass of compound