Adapted by Nelson Nuñez-Rodriguez
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By David W. Ball
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| QUESTION | ANSWER |
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1. Comment on the possible formation of the K2+ ion. Why is its formation unlikely? |
1. The K2+ ion is unlikely to form because the K+ ion already satisfies the octet rule and is rather stable. |
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3. How many electrons does a Ba atom have to lose to have a complete octet in its valence shell? |
3. two |
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5. How many electrons does an Se atom have to gain to have a complete octet in its valence shell? |
5. two |
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7. With arrows, illustrate the transfer of electrons to form potassium chloride from K atoms and Cl atoms. |
7.  |
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9. With arrows, illustrate the transfer of electrons to form scandium fluoride from Sc atoms and F atoms. |
9.  |
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11. Which ionic compound has the higher lattice energy—KI or MgO? Why? |
11. MgO because the ions have a higher magnitude charge |
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13. Which ionic compound has the higher lattice energy—BaS or MgO? Why? |
13. MgO because the ions are smaller |