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Grade 7 Warm Up Activity

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  • Which element that has higher boiling point? Neon or Kyrpton?
    Krypton
  • The changes of state of matter is caused by the ... energy
    Heat
  • How does the melting and boiling point order of Noble Gases in the periodic table?
    Increasing from top to bottom
  • Which element that has higher melting point? Sodium or Caesium?
    Sodium
  • Boiling points of water
    100 degree C
  • If the melting point of Sulphur is 115 degree C, what state is the Sulphur in the room temperature?
    Solid
  • How does the melting and boiling point order of Alkali group in the periodic table?
    Decreasing from top to bottom
  • A metal that has liquid state in the room temperature
    Mercury
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