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  • Elements in the same group have similar ______.

    All the answers are correct
    chemical properties
    atomic numbers
    atomic masses
  • The primary difference between the modern periodic table and Mendeleev's periodic table is _________.

    none of the answers are correct
    'The two tables are the same except we know about more elements now'
    'The elements in the modern table are arranged in order of increasing atomic number.'
    'The elements in the modern table are arranged in order of increasing atomic weight.'
  • As you move from top to bottom down the periodic table _______.

    ionizaton energy decreases
    electonegativity increases
    ionization energy increases
    electronegativity decreases
  • Elements in the modern periodic table are arranged on the basis of their ______.

    ionization energy.
    their increasing atomic number.
    their increasing atomic mass.
    their increasing atomic weight.
  • The least reactive elements of the periodic table are ______.

    nobel gases
    transition metals
    alkali metals
    alkaline metals
  • Which statement applies to the halogens?

    both a and b
    The halogens have low electron aafinity values
    The halogens have high electron affinity values.
    none of above
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