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PROPERTIES OF METALS

PROPERTIES OF METALS. Color. LUSTER Metals have luster. This means they are shiny. DUCTILITY / DUCTILE Metals can be drawn into wires. MALLEABILITY / MALLEABLE Metals can be hammered or flattened into sheets. DENSE Metals have high opacity.

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PROPERTIES OF METALS

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  1. PROPERTIES OF METALS

  2. Color

  3. LUSTERMetals have luster. This means they are shiny.

  4. DUCTILITY / DUCTILEMetals can be drawn into wires.

  5. MALLEABILITY / MALLEABLEMetals can be hammered or flattened into sheets.

  6. DENSEMetals have high opacity.

  7. CONDUCTIVITY / CONDUCTORSMetals are good conductors of heat and electricity.

  8. HIGH MELTING POINTMetals have high melting points.

  9. PROPERTIES OF non-METALS

  10. DULLNon-metals do not shine, they are dull.

  11. BRITTLENon-metals break easily, this means that they are not ductile and malleable.

  12. LOW DENSITYNon-metals have low density.

  13. LOW MELTING POINT AND NON-CONDUCTOR (INSULATOR)Non-metals have low melting point, that’s why they are poor conductors of heat and electricity.

  14. Metals vs. Non-metals

  15. Metals Metals are solids (except mercury). Metals are hard (except sodium, potassium etc. Metals have metallic lustre. Metals have high melting points and boliling points. Metals are malleable ( can be made into thin sheets). Metals are ductile (can be made into thin wires). Metals are good conductors of heat and electricity. Metals are sonorus (produces sound). Non metals Non metals may be solids, liquids or gases. Non metals which are solids are brittle (diamond is the hardest). Non metals do not have lustre some have a dull luster. Non metals have low melting points. Non metals are not malleable. Non metals are not ductile. Non metals are bad conductors of heat and electricity (except graphite). Non metals are not sonorus. Physical properties of metals and non metals

  16. Metalloids • B, Si, Ge, As, Sb, Te, Po (a diagonal between the metals and the non-metals on the Periodic Table of the Elements) • Can have properties of metals or non-metals, depending upon allotrope, temperature conditions, presence of an electric field, or other conditions. • Often used as semi-conductors in electrical applications. • Cannot be easily identified.

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