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

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

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

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

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

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

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