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Elements

Published on Nov 18, 2015

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PRESENTATION OUTLINE

MERCURY

  • Element name: Mercury
  • Symbol: Hg
  • Atomic number: 80
  • Atomic weight: 200.59

PHYSICAL PROPERTIES

  • Metal
  • Is conductive
  • At room temperature it is a liquid
  • Mercury is a silvery liquid

CHEMICAL PROPERTIES

  • Does not react in water only in air
  • Not flammable

MORE INFORMATION

  • Found in the Earth's crust
  • In group 6
  • Some fish contain high levels of mercury

MAGNESIUM

  • Element name: Magnesium
  • Symbol: Mg
  • Atomic number: 12
  • Atomic weight: 24.31

PHYSICAL PROPERTIES

  • Metal
  • Not conductive
  • Solid at room temperature
  • Rock, gray, rigid

CHEMICAL PROPERTIES

  • Reacts in water
  • Is flammable

MORE INFORMATION

  • Found in chlorophyll and minerals
  • 2nd most abundant metal in seawater

COBALT

  • Element name: cobalt
  • Symbol: Co
  • Atomic number: 27
  • Atomic weight: 58.93

PHYSICAL PROPERTIES

  • Metal
  • Is conductive
  • Solid
  • Gray

CHEMICAL PROPERTIES

  • Does not react in water
  • Is flammable

MORE INFORMATION

  • Earth's crust
  • Group 9
  • Big use in recharging batteries

DYSPROSIUM

  • Element name: Dysprosuim
  • Symbol: Dy
  • Atomic number: 66
  • Atomic mass: 162.50

PHYSICAL PROPERTIES

  • Metal
  • Conductive
  • Fairly stable
  • Bright, silver, shiny

CHEMICAL PROPERTIES

  • Reacts slow with cold water fast with hot
  • Not flammable

MORE INFORMATION

  • Found in minerals like polycrase and monazite
  • Group 19
  • Soft enough to cut through with a knife