Can You Pass This Toughest Chemistry Exam? Trivia Quiz

50 Questions | Total Attempts: 39

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Can You Pass This Toughest Chemistry Exam? Trivia Quiz

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Questions and Answers
  • 1. 
    Atoms of the same element with different numbers of neutrons are called____.
    • A. 

      Isotopes

    • B. 

      Metals

    • C. 

      Metalloids

    • D. 

      Radioactive elements

  • 2. 
    A certain atom has 38 protons, 38 electrons, and 50 neutrons. Its mass number is ____.
    • A. 

      12

    • B. 

      38

    • C. 

      88

    • D. 

      126

  • 3. 
    Why are the nobles gases stable?
    • A. 

      They were used by monarchies throughout history

    • B. 

      They have a full number of outer electrons

    • C. 

      They will not gain or lose electrons

    • D. 

      Only b and c

    • E. 

      All choices are correct

  • 4. 
    An atom with a different number of electrons than protons is a(n) ____.
    • A. 

      Isotope

    • B. 

      Atom

    • C. 

      Ion

    • D. 

      Nucleon

  • 5. 
    What periods and group, respectively, is barium found in?
    • A. 

      6, 1

    • B. 

      5, 2

    • C. 

      2, 6

    • D. 

      6, 2

  • 6. 
    Given the following information 12853I, how many electrons are present?
    • A. 

      75

    • B. 

      128

    • C. 

      53

    • D. 

      127

  • 7. 
    An atom is held together by the interactions of:
    • A. 

      Protons and electrons

    • B. 

      Protons and protons

    • C. 

      Neutrons and electrons

    • D. 

      All of the choices

  • 8. 
    An atom that has gained two electrons would have what charge?
    • A. 

      -2

    • B. 

      +2

    • C. 

      -6

    • D. 

      Neutral

  • 9. 
    Krypton is considered an inert atom. What makes Krypton such a stable atom?
    • A. 

      8 electrons in the outer shell

    • B. 

      More negative than positive charge

    • C. 

      More positive than negative charge

    • D. 

      None of the choices are correct

  • 10. 
    Atoms found in period 4, group16 are considered to be ...
    • A. 

      Metalloids

    • B. 

      Metals

    • C. 

      Non-metals

    • D. 

      Mental

  • 11. 
    In an atom, the atomic number is useful because a physical science student can determine the ...
    • A. 

      Number of protons.

    • B. 

      Number of quarks.

    • C. 

      Atomic mass.

    • D. 

      Ionic charge.

  • 12. 
    Current uses of nuclear energy are beneficial to humankind except for the:
    • A. 

      Carbon dioxide pollution.

    • B. 

      Dangerous waste products.

    • C. 

      Efficient production of energy.

    • D. 

      Limited amount of fuel.

  • 13. 
    For the element represented by 12752Te , calculate the new mass if it were to lose 4 neutrons.
    • A. 

      124

    • B. 

      52

    • C. 

      123

    • D. 

      48

  • 14. 
    How many valence electrons are found in oxygen?
    • A. 

      6

    • B. 

      2

    • C. 

      8

    • D. 

      Not enough information to determine

  • 15. 
    All atoms of a specific element have the same number of:
    • A. 

      Ions

    • B. 

      Protons

    • C. 

      Neutrons

    • D. 

      Electrons

  • 16. 
    The atomic mass of an atom is determined by the weight of:
    • A. 

      Neutrons and protons

    • B. 

      Neutrons and electrons

    • C. 

      Protons and electrons

    • D. 

      Protons only

    • E. 

      Neutrons only

  • 17. 
    The splitting of an atom’s nucleus which releases a large amount of energy is called:
    • A. 

      Fusion

    • B. 

      Atomic lysis

    • C. 

      Quark dispersement

    • D. 

      Fission

  • 18. 
    Three of the four are BENEFITS of nuclear applications.  Select the ONE that is NOT.
    • A. 

      Detecting cancer

    • B. 

      Risks of radiation exposure

    • C. 

      Low carbon dioxide emissions

    • D. 

      Abundant energy

  • 19. 
    When the nucleus of small atoms like Hydrogen are combined, a large amount of energy is released.  Describe this process.
    • A. 

      Fission

    • B. 

      Nuclear emission

    • C. 

      Fusion

    • D. 

      Colloidal interactions

  • 20. 
    Three examples of physical changes are ____.
    • A. 

      Freezing of water, evaporation of gasoline, and rusting of a nail

    • B. 

      Boiling of water, bursting of a baloon, and melting of a candle

    • C. 

      Sawing of wood, crushing of a can, and toasting a marshmallow

    • D. 

      Burning of gasoline, rotting of an egg, and exploding of fireworks

  • 21. 
    The shape of an apple is a ____.
    • A. 

      Chemical change

    • B. 

      Chemical property

    • C. 

      Physical change

    • D. 

      Physical property

  • 22. 
    Molecules differ from atoms because ____.
    • A. 

      Molecules form from electron sharing

    • B. 

      Atoms form by covalent bonding

    • C. 

      Molecules have a positively charged center called a nucleus

    • D. 

      Atoms are composed of two elements

  • 23. 
    An atom is ____.
    • A. 

      The smallest particle of an element that still retains the properties of the element

    • B. 

      A substance formed from two or more elements

    • C. 

      A neutral particle that forms as a result of electron sharing

    • D. 

      A substance with atoms that are all alike

  • 24. 
    When two or more substances are combined so that each substance maintains its own properties, the result is a(n) ____.
    • A. 

      Chemical change

    • B. 

      Element

    • C. 

      Compound

    • D. 

      Mixture

  • 25. 
    All matter can be divided into these two larger sub divisions of _______________.
    • A. 

      Pure substances and compounds

    • B. 

      Pure substances and mixtures

    • C. 

      Mixtures and elements

    • D. 

      Elements and atoms.

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