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Atomic Structure

Quiz by Mairi Mackenzie

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36 questions
Show answers
  • Q1
    What is the charge of an electron?
    negative
    no charge
    neutral
    positive
    30s
  • Q2
    Which subatomic particle is found in the nucleus of an atom and has a positive charge?
    neutron
    photon
    electron
    proton
    30s
  • Q3
    What is the center of an atom called?
    nucleus
    electron cloud
    proton layer
    atomic shell
    30s
  • Q4
    What determines the atomic number of an element?
    the number of molecules
    the number of electrons
    the number of neutrons
    the number of protons
    30s
  • Q5
    What is the overall charge of a neutral atom?
    zero
    positive
    negative
    varies
    30s
  • Q6
    What subatomic particle has no charge?
    proton
    electron
    ion
    neutron
    30s
  • Q7
    What does the nuclide notation 19F indicate about the fluorine atom?
    It has a mass number of 19 and an atomic number of 9.
    It shows that fluorine is a radioactive isotope.
    It indicates that fluorine has 19 neutrons.
    It has a mass number of 9 and an atomic number of 19.
    30s
  • Q8
    In the nuclide notation 235U, what does 'U' stand for?
    It denotes the mass number of uranium.
    It is the chemical symbol for uranium.
    It represents the atomic number of uranium.
    It indicates the number of neutrons in uranium.
    30s
  • Q9
    Which subatomic particle is fundamentally involved in chemical bonding?
    Neutron
    Electron
    Hadron
    Proton
    30s
  • Q10
    What is the main component of an atom's nucleus?
    Alpha particle
    Photon
    Electron
    Proton and Neutron
    30s
  • Q11
    Which subatomic particle has a mass of approximately 1 atomic mass unit (amu)?
    Positron
    Proton
    Neutron
    Electron
    30s
  • Q12
    Which subatomic particle is the lightest?
    Proton
    Electron
    Muon
    Neutron
    30s
  • Q13
    What particle has a similar mass to that of a proton but is electrically neutral?
    Electron
    Photon
    Positron
    Neutron
    30s
  • Q14
    What does the atomic number of an element represent?
    The total mass of the atom
    The number of electrons in an atom
    The number of protons in the nucleus of an atom
    The total number of neutrons
    30s
  • Q15
    Which of the following elements has an atomic number of 6?
    Oxygen
    Carbon
    Hydrogen
    Nitrogen
    30s

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