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UKA grade 8 Science

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  • What state are the orange squares in this periodic table?
    Gases
  •  20
  • What state are the blue squares in this periodic table?
    Solid
  •  20
  • What state are the red squares in this periodic table?
    Liquid
  •  20
  • What are 3 properties of metals?
    High melting points, Good conductors, Shiny, High density
  •  25
  • What are 3 properties of non - metals?
    Poor conductors, In solid state, Dull and Brittle, Low melting points
  •  25
  • Are metal oxides basic or acidic?
    Basic (They dissolve in water to make an alkaline solution)
  •  25
  • Are non -metal oxides basic or acidic?
    Acidic
  •  25
  • What are the horizontal rows called in the periodic table?
    Periods
  •  15
  • What are the vertical columns called in the periodic table?
    Groups
  •  15
  • Going down group 7 elements, do the boiling points increase or decrease?
    Increase
  •  25
  • Going down group 7 elements, do the melting points increase or decrease?
    Increase
  •  25
  • true or false - group 1 elements react vigorously to water?
    True
  •  25
  • What are the group 0 elements usually called?
    Noble gases
  •  25
  • Are the noble gases reactive?
    No, they aren't
  •  20
  • What did Dimitri Mendeleev invent?
    The periodic table
  •  15
  • Do metals have high or low melitng points?
    High
  •  15