1.5 What Is Everything Made Out Of?

15 Questions | Attempts: 226

SettingsSettingsSettings

This is the essential question for this course. Watch this video and answer the questions that follow.


Questions and Answers
  • 1. 
    What is the structural formula of water? Please choose the closest answer
    • A. 

      H-H-O

    • B. 

      O-H-O

    • C. 

      H-O-H

    • D. 
  • 2. 
    • A. 

      Molecular formula

    • B. 

      Structural formula

    • C. 

      Mixture

    • D. 

      9 separate substances

  • 3. 
    What is the relationship between the two substances shown below? 
    • A. 

      Identical substances

    • B. 

      Isotopes

    • C. 

      Isomers

    • D. 

      Enantiomers

  • 4. 
    Magnesium hydroxide, present in milk of magnesia, has a molecular formula of , therefore each molecule of magnesium hydroxide contains ____ oxygen atoms
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 5. 
    How many bonds does nitrogen typically form?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 6. 
    How many bonds does hydrogen typically form?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 7. 
    How many bonds does oxygen typically form?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 8. 
    How many bonds does carbon typically form?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 9. 
    H-O-H is an example of a ________ formula
    • A. 

      Molecular

    • B. 

      Structural

  • 10. 
     is the _____ formula for water.
    • A. 

      Molecular

    • B. 

      Structural

  • 11. 
    What is the relationship between the two substances shown below?
    • A. 

      Isomers

    • B. 

      Isotopes

    • C. 

      Isotoners

    • D. 

      They are identical

  • 12. 
    Substance A has a molecular formula of  and substance B has a molecular formula of What is the relationship between substance A and substance B?
    • A. 

      They are isomers

    • B. 

      They are not isomers- they are each completely different substances

    • C. 

      Not enough information is given- the structural formulas are needed to see if they are isomers.

  • 13. 
    What is wrong with the substance 
    • A. 

      It is unlikely to exist because hydrogen can only form one bond

    • B. 

      It is unlikely to exist because carbon can only form 4 bonds

    • C. 

      It does not specify the isomer that has that molecular formula

    • D. 

      Nothing. It is a common substance known as methane.

  • 14. 
    Which of the following substances are organic?a. NaCl, commonly known as table saltb. , commonly known as methanec. , commonly known as sulfuric acidd. Au, commonly known as golde. , which may be ethanol or dimethyl ether, depending on the isomer
    • A. 

      Substances B and E are organic

    • B. 

      Substance B is organic and substance E may be organic but it depends on which isomer it refers to

    • C. 

      Substances A, C, and D are organic.

    • D. 

      None of the substances are organic

    • E. 

      Not enough information is provided, since there are specific rules for the manufacture of organic substances

  • 15. 
    Which of the following is true about 
    • A. 

      It is the molecular formula of an inorganic substance

    • B. 

      It is the structural formula for an inorganic substance

    • C. 

      It is the molecular formula for an organic substance

    • D. 

      It is the structural formula for an organic substance

Back to Top Back to top