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What is meant by 'incomplete octet'?
Think of elements with fewer than four valence electrons.
Name two examples of odd-electron molecules.
Consider molecules with an uneven number of total electrons.
What is an incomplete octet?
Think about which elements can form stable compounds without completing the octet.
True or False: Expanded octets are only seen in the second period elements.
Consider which elements can use d-orbitals.
Discuss how the limitation of the octet rule impacts the prediction of molecular stability in nitrogen oxides.
Think about how each of the oxygen states might differ.
Many heavy elements reveal expanded octets; describe a scenario in coordination chemistry where this is relevant.
Focus on the geometry of the complexes formed.
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