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End of Structure of Atom Unit Revision

Quiz by Edel

Grade 9-12
Science
Next Generation Science Standards

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40 questions
Show answers
  • Q1
    1. A certain sample of element Z contains 60% of 69Z and 40% of 71Z. What is the relative atomic mass of element Z in this sample?
    69.2amu
    70.0amu
    69.8amu
    70.2amu
    30s
  • Q2
    What is the difference between two neutral atoms represented by the symbols Co and Ni?
    The number of protons, neutrons and electrons.
    The number of neutrons only.
    The number of protons and electrons only.
    The number of protons and neutrons only.
    30s
  • Q3
    The electron arrangement of sodium is 2.8.1. How many occupied main electron energy levels are there in an atom of sodium?
    11
    10
    3
    1
    30s
  • Q4
    What is the electron arrangement of silicon?
    2.8.8
    2.8
    2.4
    2.8.4
    30s
  • Q5
    Which is correct for the chromium isotope 53 Cr?
    24 protons and 29 neutrons
    A. 24 neutrons and 53 nucleons
    D. 24 electrons and 53 neutrons
    B. 24 protons and 29 nucleons
    30s
  • Q6
    Group can be defined as:
    total number of protons and neutrons in an atom.
    is a column of elements in the periodic table of the chemical elements.
    the number of protons in the nucleus of an atom.
    in the periodic table is a row of chemical elements
    30s
  • Q7
    Period can be defined as:
    is a column of elements in the periodic table of the chemical elements.
    the number of protons in the nucleus of an atom.
    total number of protons and neutrons in an atom.
    in the periodic table is a row of chemical elements.
    30s
  • Q8
    Atomic number can be defined as:
    is a column of elements in the periodic table of the chemical elements.
    the number of protons in the nucleus of an atom.
    in the periodic table is a row of chemical elements
    total number of protons and neutrons in an atom.
    30s
  • Q9
    Atomic Mass Number can be defined as:
    in the periodic table is a row of chemical elements
    the number of protons in the nucleus of an atom.
    total number of protons and neutrons in an atom.
    is a column of elements in the periodic table of the chemical elements.
    30s
  • Q10
    AMU is the unit used to measure relative atomic mass, what do the amu abbreviation stand for?
    atomic mass number
    atomic number
    atomic mass unit
    atomic unit mass
    30s
  • Q11
    What group would Boron be found on in the periodic table?
    3
    4
    1
    2
    30s
  • Q12
    Oxygen electron configuration is:
    2.8
    2.4
    2.8.6
    2.6
    30s
  • Q13
    Argon would be in period _____ on the periodic table.
    3
    5
    2
    4
    30s
  • Q14
    What is the energy level of Al ?
    2
    4
    1
    3
    30s
  • Q15
    When calculating protons number you use _______________.
    Atomic Number
    Mass - atomic number
    Mass Number
    30s

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