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Y12 Atomic Strcture

Quiz by Adam Ovens

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3 questions
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  • Q1
    The nucleus of an atom of Na-23 contains
    11 protons and 23 neutrons
    11 protons and 12 neutrons
    12 protons and 11 neutrons.
    11 protons and 11 neutrons
    30s
  • Q2
    The mass spectrum for a sample of a metal is provided. The relative atomic mass of the metal is:
    Question Image
    63.2
    63.4
    63.6
    63.8
    30s
  • Q3
    A compound was analysed and found to contain 1.45 g carbon 0.482 g hydrogen 1.69 g nitrogen [Relative atomic masses: C = 12; H = 1; N = 14] The empirical formula of the compound is
    CH_{3}N
    CH_{5}N
    CH_{2}N
    CH_{4}N
    30s

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