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Week 2 Tuesday Assessment

Quiz by Kari Stone

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12 questions
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  • Q1
    Which subatomic particle has the smallest mass?
    Electron
    Nucleus
    Proton
    Neutron
    30s
  • Q2
    Who discovered the electron?
    Niels Bohr
    Isaac Newton
    J. Thomson
    Albert Einstein
    30s
  • Q3
    What is the charge of a neutron?
    Positive
    Zero
    Neutral
    Negative
    30s
  • Q4
    Who discovered the nucleus?
    Ernest Rutherford
    Albert Einstein
    Marie Curie
    Niels Bohr
    30s
  • Q5
    Which of the following statements best describes isotopes?
    Isotopes are variations of an element that have a different number of protons and electrons.
    Isotopes are variations of an element that have the same number of protons but a different number of neutrons.
    Isotopes are variations of an element that have a different number of protons and neutrons.
    Isotopes are variations of an element that have a different number of neutrons and electrons.
    30s
  • Q6
    What is the difference between an element and an isotope?
    An element represents a specific type of atom, while an isotope refers to different versions of the same element with varying numbers of neutrons.
    An element refers to different types of atoms, while an isotope represents different types of elements.
    An element refers to different versions of the same atom with varying numbers of protons, while an isotope represents a specific type of atom.
    An element represents a specific type of atom, while an isotope refers to different versions of the same element with varying numbers of electrons.
    30s
  • Q7
    What is the difference between an atomic number and an atomic mass?
    The atomic number represents the number of electrons in an atom, while the atomic mass represents the sum of protons and electrons.
    The atomic number represents the number of neutrons in an atom, while the atomic mass represents the sum of protons and electrons.
    The atomic number represents the number of protons in an atom, while the atomic mass represents the sum of protons and neutrons.
    The atomic number represents the sum of protons and neutrons in an atom, while the atomic mass represents the number of protons.
    30s
  • Q8
    How many significant figures are in this: 1.0230
    4
    3
    5
    2
    30s
  • Q9
    Divide 1E-10 by 1E-10
    1E20
    1
    0
    1E-20
    30s
  • Q10
    Which subatomic particle determines the identity of an element?
    Electron
    Proton
    Positron
    Neutron
    30s
  • Q11
    Which ion has a greater number of electrons than protons?
    Positive ion
    Neutral atom
    Isotope
    Negative ion
    30s
  • Q12
    Carbon with 7 electrons is
    +1
    -1
    +2
    -2
    30s

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