Textbook Question
The dichromate ion, Cr2O72-, has neither Cr¬Cr nor O¬O bonds. (a) Taking both 4s and 3d electrons into account, draw an electron-dot structure that minimizes the formal charges on the atoms.
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11. Bonding & Molecular Structure
Resonance Structures
3:00 minutesOpen Question
The formate ion, HCO2−, is formed when formic acid dissolves in water. A number of possible resonance structures for this ion are shown. Which of these structures are valid and which are invalid?
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