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The Atom

Quiz by edel kinsella

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13 questions
Show answers
  • Q1
    Who proposed the 'plum pudding' model of an atom?
    James Chadwick
    John Dalton
    JJ Thomson
    Ernest Rutherford
    30s
  • Q2
    What experiment did Robert Millikan conduct to measure the charge of an electron?
    gold foil experiment
    oil drop experiment
    plum pudding experiment
    cathode ray experiment
    30s
  • Q3
    What did Rutherford conclude about the atom's structure?
    Most of the atom is concentrated in a dense core
    Atoms contain only electrons
    Atoms are indivisible
    Atoms are solid throughout
    30s
  • Q4
    What type of rays did William Crookes discover?
    cathode rays
    gamma rays
    beta rays
    alpha rays
    30s
  • Q5
    What did Chadwick discover?
    neutrons
    electrons
    protons
    cathode rays
    30s
  • Q6
    What was John Dalton's main contribution to atomic theory?
    Atoms can be created or destroyed
    Atoms do not exist
    Matter is composed of indivisible particles
    Atoms are all identical
    30s
  • Q7
    Which particle did JJ Thomson identify as negatively charged?
    alpha particle
    neutron
    electron
    proton
    30s
  • Q8
    What did most of the atom consist of according to Rutherford's findings?
    empty space
    liquid
    solid material
    dense matter
    30s
  • Q9
    What did Rutherford use to bombard the gold foil?
    neutrons
    alpha particles
    gamma rays
    beta particles
    30s
  • Q10
    What type of screen did Rutherford use to detect alpha particles?
    Geiger counter
    fluorescent screen
    photoelectric cell
    cathode ray tube
    30s
  • Q11
    What was the primary observation about alpha particles after striking the gold foil?
    Some exploded
    All were deflected
    Most alpha particles passed straight through without being deflected
    All turned into beta particles
    30s
  • Q12
    What conclusion did Rutherford draw about the nucleus of an atom?
    Atoms have no nucleus
    The nucleus is hollow
    Most of the atom is concentrated in a dense core (i.e. the nucleus)
    Atoms are solid throughout
    30s
  • Q13
    Why was Rutherford's experiment considered groundbreaking?
    It discovered electrons
    It confirmed atoms are indivisible
    It changed the understanding of atomic structure
    It proved atoms exist
    30s

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