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Quiz by Michal Friedman

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17 questions
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  • Q1
    atoms can't be broken down
    Dalton
    30s
  • Q2
    discovered the electron
    Thomson
    30s
  • Q3
    gold foil experiment
    Rutherford
    30s
  • Q4
    electrons exist on specific energy levels
    Bohr
    30s
  • Q5
    where we now believe electrons are
    electron cloud
    30s
  • Q6
    negative particle
    electron
    30s
  • Q7
    positive particle in the nucleus
    proton
    30s
  • Q8
    neutral particle in the nucleus
    neutron
    30s
  • Q9
    always equal to the number of protons
    atomic number
    30s
  • Q10
    when protons equal electrons
    neutral
    30s
  • Q11
    protons plus neutrons
    mass number
    30s
  • Q12
    where all the mass is
    nucleus
    30s
  • Q13
    first energy level
    2
    30s
  • Q14
    second energy level
    8
    30s
  • Q15
    third energy level
    18
    30s

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