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DE_Chem_3.2_IonicBonding

Last updated over 2 years ago
22 questions
Note from the author:
Refer to Discovery Education's chemistry text: Unit 3.2 Ionic Bonding to answer the following questions. Additional questions may be added so check your work before turning in and make sure everything has been responded to.
Refer to Discovery Education's chemistry text: Unit 3.2 Ionic Bonding to answer the following questions. Additional questions may be added so check your work before turning in and make sure everything has been responded to.
Enagage: Deconstructing Salts
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1

What do you already know about ionic compounds?

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1

Examine the periodic table of the elements and identify which groups of elements are metals and which are nonmetals.

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2

For each of the original atoms shown on the right (top), select the image on the left that depicts the ion that would most commonly be formed.

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8

Match the ion characteristics with the type of ion that they describe. If the characteristic describes both anions and cations, place the characteristic in the both column.

  • is negatively charged
  • has the same number of protons as original atom
  • is more stable than the original atom
  • Loses one or more electrons
  • is a charged atom
  • gains one or more electrons
  • is positively charged
  • has a full valence shell
  • Anions
  • Cations
  • Both
Explore 1
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1

The simplest ionic compounds consist of the atoms of only two elements known as

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3
Magnesium chloride (MgCl2) is another example of a binary ionic compound. In this case, a single _______ atom transfers _______, one to each of two _______ atoms.
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2

Explain why the net charge of sodium nitride, Na3N, zero?

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1
Use the periodic table to determine how many electrons will be lost or gained by each element when it forms an ion.
Potassium: __________
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1
Use the periodic table to determine how many electrons will be lost or gained by each element when it forms an ion.
Sulfur: __________
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1
Use the periodic table to determine how many electrons will be lost or gained by each element when it forms an ion.
Bromine: __________
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1
Use the periodic table to determine how many electrons will be lost or gained by each element when it forms an ion.
Calcium: __________
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1

Which of these compounds is NOT a binary ionic compound?

Explore 2
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3
_______ is a measure of the attraction of an atom for electrons in a chemical bond. Elements with higher electronegativity values are more reactive. Whether an ionic bond forms or does not form is determined by taking the _______ between the electronegativities of two atoms. If the difference is equal to or greater than _______ , an ionic bond will form.
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1

Which difference in electronegativity will have two atoms form an ionic bond?

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1

How are the arrangements of compounds held together by ionic bonds described?

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2
According to the video (watch in DE), the coordination number for the Titanium ion was _______ and the coordination number for the oxygen ion was _______ .
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1

Which of the following explanations best describes the process by which the elements calcium and oxygen combine to form the binary compound calcium oxide?
2Ca(s) + O2(g) -> 2CaO(s)

Check for Understanding (Quiz)
1

How do atoms form ions that then combine to form crystals?

1

How do ionic bonds form in binary compounds?

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How Is Electronegativity Used to Determine Which Atoms Form Ionic Bonds?

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What type of bond holds two electrically charged atoms (ions) together by their opposite charge?

1
_______ ionic compounds refer to the simplest ionic compounds consisting of atoms of only two elements.