Pre Test Atomic Structure

33 Questions | Total Attempts: 40

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Pre Test Atomic Structure

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Questions and Answers
  • 1. 
    What is the atomic number for hydrogen?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

    • E. 

      5

  • 2. 
    What is the chemical symbol for calcium?
    • A. 

      Cl

    • B. 

      C

    • C. 

      Ca

    • D. 

      Cu

    • E. 

      Cr

  • 3. 
    How many protons are in nickel?
    • A. 

      3

    • B. 

      8

    • C. 

      31

    • D. 

      28

    • E. 

      24

  • 4. 
    What is the atomic mass of phosphorus?
    • A. 

      15

    • B. 

      31

    • C. 

      2

    • D. 

      18

    • E. 

      16

  • 5. 
    Which element has a mass of 65?
  • 6. 
    What type of element is Potassium?
    • A. 

      Metal

    • B. 

      Non-metal

    • C. 

      Metalloid

    • D. 

      Noble Gas

    • E. 

      Halogen

  • 7. 
    The Lewis Dot diagram for Carbon would have how many dots (valence electrons)?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

    • E. 

      6

  • 8. 
    What is Californium's atomic number?
    • A. 

      96

    • B. 

      97

    • C. 

      98

    • D. 

      99

    • E. 

      100

  • 9. 
    What is Californium's atomic mass?
    • A. 

      247

    • B. 

      247

    • C. 

      251

    • D. 

      252

    • E. 

      257

  • 10. 
    How many protons does Californium have?
    • A. 

      96

    • B. 

      97

    • C. 

      99

    • D. 

      98

    • E. 

      100

  • 11. 
    How many electrons does Californium have?
    • A. 

      96

    • B. 

      92

    • C. 

      97

    • D. 

      98

    • E. 

      99

  • 12. 
    How many netrons does Californium have?
    • A. 

      110

    • B. 

      153

    • C. 

      98

    • D. 

      251

    • E. 

      1

  • 13. 
    How many neutrons does Be have?
    • A. 

      4

    • B. 

      5

    • C. 

      6

    • D. 

      7

    • E. 

      9

  • 14. 
    What is the formula for calculating the number of neutrons in an element?
    • A. 

      Atomic mass - atomic number

    • B. 

      Atomic number - atomic mass

    • C. 

      Atomic weight - atomic mass

    • D. 

      Atomic mass - atomic weight

    • E. 

      # of protons - # of electrons

  • 15. 
    Carbon-12 and Carbon-14 are _______________.
    • A. 

      Ions

    • B. 

      Isotopes

    • C. 

      Different elements

    • D. 

      Compounds

  • 16. 
    The atom oxygen has a neucleon number of 16 and a proton number of 8. what is the number of neutrons in the oxygen atom?
    • A. 

      4

    • B. 

      16

    • C. 

      8

    • D. 

      0

  • 17. 
    Hydrogen, deuterium and tritium are all isotopes of hydrogen. They have a different number of _____________.
    • A. 

      Atoms

    • B. 

      Neutrons

    • C. 

      Protons

    • D. 

      Electrons

  • 18. 
    Element P has a nucleon number of 31 and a proton number of 15. Eement S has a nucleon number of 32 and a proton number of 16. The two elements have the same __________.
    • A. 

      Number of protons

    • B. 

      Number of neutrons

    • C. 

      Nucleon number

    • D. 

      Number of electrons

  • 19. 
    Element X has a nucleon number of 40 and a proton number of 20. Which period in the periodic table is X found in?
    • A. 

      Period 4

    • B. 

      Period 1

    • C. 

      Period 7

    • D. 

      Period 5

  • 20. 
    “Isotopes are elements that have the same number of neutrons and different number of protons.” What is wrong with the previous sentence?
    • A. 

      Isotopes are elements that have the same number of protons and different number of neutrons.

    • B. 

      Isotopes are elements that have the same number of protons and different number of electrons.

    • C. 

      Isotopes are elements that have the same number of neutrons and different number of electrons.

    • D. 

      Isotopes are elements that have the same number of electrons and different number of protons.

  • 21. 
    A beam of particles containing protons, neutrons and electrons is fired through an electric field. Which particle will not bend or deviate?
    • A. 

      Proton

    • B. 

      Electron

    • C. 

      Neutron

    • D. 

      All of the above

  • 22. 
    An atom has very little empty space.
    • A. 

      True

    • B. 

      False

  • 23. 
    Calculate the number of protons, neutron, and electrons in an atom of Beryllium which has an atomic number of 4 and an atomic mass of 9.
    • A. 

      4, 4, 4

    • B. 

      4, 5, 5

    • C. 

      4, 5, 13

    • D. 

      4, 5, 4

  • 24. 
    Electrons are found
    • A. 

      Inside nucleus

    • B. 

      Outside nucleus

    • C. 

      With protons

    • D. 

      With neutrons

  • 25. 
    Which group contains elements that are chemically stable?
    • A. 

      1

    • B. 

      2

    • C. 

      8

    • D. 

      12

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