Practice Test | Kullabs.com
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  • Elements in the same group have similar ______.

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

    none of the answers are correct
    'The elements in the modern table are arranged in order of increasing atomic number.'
    '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 weight.'
  • As you move from top to bottom down the periodic table _______.

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

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

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

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