• <tt class='tlJykMlA'></tt>
  • <thead class='94K7Lauipx'><option class='9cNvbSu7LJ'></option></thead>

    <em class='jepytdnyfeW3'><b class='oR1Ys12nk'><td class='6rzzLTN'></td></b></em>

  • <dl class='Td0EmkF'><b class='qoWhaibfJ9'></b></dl>

  • <span class='lS1G'></span>

    Chemistry Basics & the Periodic Table
    Practice Test Questions 

    from Science Prof Online


    Atomic Theory & Periodic Table Test Qus
    Atomic Theory & Periodic Table
    Review Questions

    Free review questions to help students better understand Atomic Theory & the Periodic Table.

    The following questions, from the Virtual Cell Biology Classroom, are designed to help students better understand Atomic Theory and the Periodic Table. All questions are based on materials that can be found on the Atomic Theory & Periodic Table Lecture Main Page.

    ​1. Which is simplest?

    a. molecule       
    b. atom       
    c. elephant       
    d. compound       
    e. synthesis

    2. How is an isotope different than a normal atom?
    a. different number of electrons
    b. different number of protons
    c.different number of quarks
    d. different number of neutrons

    3. The ____ charge of a proton is balanced by the ____ charge of a(n) ____.

    a. negative, positive, electron
    b. positive, neutral, neutron
    c. negative, negative, electron
    d.positive, negative, electron

    4. If an element's atomic number is 6, its mass number is ________.

    a. 3         b. 6          c. 8          d. 12           e. 18

    5. The maximum number of valence electrons an atom can have is ____.

    a. 2        b. 4        c. 8          d. 12           e. 18        

    6. You can determine the number of electron orbitals an atom has by looking at its _______.

    a. atomic number        b. group number     
    c. mass number         d. period number    

    10. What is the maximum number of electrons an atom can have on its innermost orbital?

    a. 2        b. 4        c. 8          d. 12           e. 18