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The Periodic Table and Atomic Structure

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  • What happens to reactivity as you go down Group 1?
    It decreases
    It increases
  • Why does reactivity increase down Group 1?
    Electrons in outer shell closer to nucleus
    Electrons in outer shell further from nucleus
  • Which elements does the chemical symbol "Au" represent?
    Gold
  • An isotope is...
    An atom with a different number of electrons
    An atom with a different number of neutrons
    An atom with a different number of protons
  • An ion is an atom that...
    Has formed a bond with a non metal
    Has a neutral charge
    Has lost or gained electrons
  • Which element is in group 7?
    Chlorine
    Hydrogen
    Oxygen
    Gold
  • Why does reactivity decrease down Group 7?
    Atoms larger - electrons less attracted to nucleus
    Atoms smaller - electrons more attracted to nucleus
  • Which elements does the chemical symbol "Fe" represent?
    Iron
  • The elements in the Periodic table were originally arranged by...
    Group number
    Atomic proton number
    Period number
    Atomic weight
  • The elements in the Periodic table are currently arranged by...
    Atomic mass
    Period number
    Group number
    Atomic proton number
  • Which elements does the chemical symbol "Mg" represent?
    Magnesium
  • Which elements does the chemical symbol "Cu" represent?
    Copper
  • What happens to reactivity as you go down Group 7?
    It decreases
    It increases
  • Which element is in group 1?
    Lithium
    Oxygen
    Copper
    Gold
  • Which elements does the chemical symbol "Pb" represent?
    Lead
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