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2 Cards in this Set

  • Front
  • Back
What are characteristics of a metal?
Hardness
Malleability-( can be shaped or formed)
Shininess-(luster)
Ductility-(drawn into a thin wire)
Conductivity(transfers heat/electricity)
Magnetism
Who was Dobereiner?
(Early 1800s)
- 30 Elements
"Triads"- Groups of 3 elements with similar physical and chemical properties
- Averages of the 1st + 3rd element values= middle