Science 9 Review: Ionic Bonding and Atomic Models
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Questions and Answers

What happens to metals after ionic bonding in terms of electrons to become ions?

  • They lose electrons to become positive ions (correct)
  • They do not change their electron configuration
  • They share electrons to become neutral ions
  • They gain electrons to become negative ions

    • When a Chlorine atom gains an electron, what is its resulting charge?

  • +1
  • +2
  • -1 (correct)
  • 0

    • Which statement is NOT true of Bohr's atomic model?

  • The energy of the electron in a given orbit is not fixed (correct)
  • The model explains the spectral lines of hydrogen
  • Electrons orbit the nucleus in specific, quantized orbits
  • The energy of the electron in a given orbit is fixed

    • Who proposed the probability that electrons will be found in certain regions around the nucleus of an atom?

    <p>Erwin Schrodinger</p> Signup and view all the answers

    What type of compound is produced from the bonding of Calcium and Oxygen, and what is the chemical formula for calcium oxide?

    <p>Ionic, CAO</p> Signup and view all the answers

    In an Ionic bond, what happens to electrons?

    <p>They are lost</p> Signup and view all the answers

    What is the name for any atom or molecule with a net charge, either positive or negative?

    <p>Ion</p> Signup and view all the answers

    What is the correct term for ions that carry a positive charge in their atom?

    <p>Cations</p> Signup and view all the answers

    What is the suffix added to the root of an atom's name to form the name of each anion?

    <p>-ide</p> Signup and view all the answers

    Why do atoms react with one another to form chemical bonds?

    <p>To attain stability</p> Signup and view all the answers

    Which type of elements tend to gain electron/s during ionic bonding?

    <p>Non-metals</p> Signup and view all the answers

    What is the correct chemical formula for the ionic compound containing Calcium ion and Chlorine ion?

    <p>$CaCl_2$</p> Signup and view all the answers

    What compound must Mary purchase if her car has run out of fuel?

    <p>Gasoline</p> Signup and view all the answers

    Which of the following pairs of organic compounds is highly flammable?

    <p>$C_7H_{16}$, acetone</p> Signup and view all the answers

    What do you think Christian is using when applying something to the ball bearings of his bicycle to minimize friction?

    <p>Lubricating oil</p> Signup and view all the answers

    Which class of organic compounds are used as energy sources, structural units, and for other purposes by organisms?

    <p>Carbohydrates</p> Signup and view all the answers

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