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C1: The atom

Quiz by Oxford Revise Chemistry

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23 questions
Show answers
  • Q1
    What is an atom?
    smallest part of an element that can exist
    the sub-atomic particle matter is made up of
    the element matter is made up of
    the small balls matter is made up of
    60s
  • Q2
    What is Dalton's model of the atom?
    The plum pudding model
    the nuclear model of the atom
    sphere of positive charge with negative electrons embedded in it
    Atoms as solid spheres that could not be divided into smaller parts
    60s
  • Q3
    What is the plum pudding model of the atom?
    sphere of positive charge with negative electrons embedded in it
    the nuclear model of the atom
    neutrons are in the nucleus
    atoms as solid spheres that could not be divided into smaller parts
    60s
  • Q4
    In the alpha scattering experiment scientists observed some alpha particles were deflected by the gold foil. What did they conclude from this observation?
    electrons are found in energy level or shells
    the whole atom is made up of a big positive charge
    that an atom’s mass and positive charge must be concentrated in one small space (the nucleus)
    neutrons are negatively charged
    60s
  • Q5
    Describe the nuclear model of the atom.
    neutrons are in the nucleus with protons scattered around it
    dense nucleus with electrons orbiting it
    neutral nucleus with electrons scattered around it
    dense electron centre with protons orbiting in fixed energy levels
    60s
  • Q6
    What did Neils Bohr discover?
    neutrons are in the nucleus
    protons are positive
    electrons orbit in fixed energy levels (shells)
    uncharged particle called the neutron
    60s
  • Q7
    What did James Chadwick discover?
    uncharged particle called the neutron
    the nuclear model
    electrons are negatively charged.
    electrons orbit in distinct shells
    60s
  • Q8
    Where are protons and neutrons found?
    in the nucleus
    in shells
    inside the electron
    n the space around the nucleus
    60s
  • Q9
    Which one of these subatomic particles has a relative mass of almost 0?
    neutron
    proton
    atom
    electron
    60s
  • Q10
    60s
  • Q11
    What is the relative mass of a neutron?
    Users enter free text
    Type an Answer
    60s
  • Q12
    60s
  • Q13
    60s
  • Q14
    What is the atomic number of an atom?
    the sum of the number of neutrons and electrons
    the number of neutrons in an atom
    the sum of the number protons and neutrons
    the number of protons in an atom
    60s
  • Q15
    60s

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