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10th grade Atomic structure and theories

Quiz by Jaime

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82 questions
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  • Q1
    The smell of the ocean is caused by atoms.
    TRUE
    FALSE
    45s
  • Q2
    John Dalton was the first person recorded as thinking that matter was ultimately composed of atoms.
    FALSE
    TRUE
    45s
  • Q3
    John Dalton formalized an atomic theory that gained acceptance in the early 19th century.
    TRUE
    FALSE
    45s
  • Q4
    The plum pudding model proposed that negatively charged electrons were held in a sphere of positive charge.
    FALSE
    TRUE
    45s
  • Q5
    All of the positive charge of an atom is concentrated in the nucleus.
    TRUE
    FALSE
    45s
  • Q6
    J.J. Thomson discovered the existence of protons.
    TRUE
    FALSE
    45s
  • Q7
    Ernest Rutherford proved the existence of electrons.
    FALSE
    TRUE
    45s
  • Q8
    The gold foil experiment proved that large regions of the atoms consisted of empty space.
    TRUE
    FALSE
    45s
  • Q9
    The nucleus of an atom is a very small, dense region that contains over 99.9% of the atomic mass.
    FALSE
    TRUE
    45s
  • Q10
    Protons and electrons each have a mass of 1 amu.
    FALSE
    TRUE
    45s
  • Q11
    A positive charge attracts negative charges and repels other positive charges.
    TRUE
    FALSE
    45s
  • Q12
    The mass of a proton is exactly the same as the mass of a neutron.
    FALSE
    TRUE
    45s
  • Q13
    The charges on electrons and neutrons cancel each other to give neutral atoms.
    TRUE
    FALSE
    45s
  • Q14
    Protons and neutrons have similar masses and similar electrical charges.
    FALSE
    TRUE
    45s
  • Q15
    An atom containing 8 protons, 9 neutrons, and 8 electrons would be considered charge-neutral.
    FALSE
    TRUE
    45s

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