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Review of the Atom

Quiz by Lorraine Kyle

High School
Chemistry (2017)
Texas Essential Knowledge and Skills (TEKS)

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8 questions
Show answers
  • Q1
    Select the correct statement about subatomic particles.
    Electrons, protons, and neutrons all have the same mass.
    Protons are positively charged and are the largest subatomic particle.
    Electrons are negatively-charged and are the heaviest subatomic particle.
    The mass of a neutron nearly equals the mass of a proton
    30s
    112.35.c.6.c
  • Q2
    The nucleus of an atom
    is composed of protons and neutrons.
    has no charge.
    is composed of protons and electrons.
    occupies a large part of the atom
    30s
    112.35.c.6.c
  • Q3
    The nucleus of an atom is
    positively charged and has a high density.
    negatively charged and has a high density
    positively charged and has a low density.
    made mostly of empty space.
    30s
  • Q4
    All atoms are
    neutral, with the number of protons equaling the number of electrons, which is equal to the number of neutrons.
    positively-charged, with the number of protons exceeding the number of electrons.
    neutral, with the number of protons equaling the number of electrons.
    negatively charged with the number of electrons exceeding the number of protons.
    30s
  • Q5
    An atom of an element with atomic number 50 and a mass number of 120 contains
    50 protons, 50 electrons, and 70 neutrons
    70 protons, 50 electrons, and 50 neutrons
    120 protons, 50 electrons, and 70 neutrons
    70 protons, 70 electrons, and 50 neutrons
    30s
  • Q6
    60s
    112.35.c.6.c
  • Q7
    The number 14 in the name carbon-14 represents
    the atomic number
    the mass number
    the sum of the protons and electrons
    the number of protons in the nucleus
    30s
  • Q8
    How many protons, electrons, and neutrons does an atom of aluminum-27 contain?
    13 protons, 13 electrons, and 14 neutrons
    13 protons, 14 electrons, and 13 neutrons
    14 protons, 13 electrons, and 13 neutrons
    14 protons, 14 electrons, and 13 neutrons
    30s

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