Formal charge practice

Get some practice with these formal charge practice problems!
Click here to download the PDF version.

Part 1

Assign a formal charge to all atoms and determine the overall charge of the molecule. All lone pairs and hydrogens attached to carbon are shown.
(Click on the picture to zoom in!)

Part 1 formal charge practice problem. Hand-drawn molecules with lone pairs shown but formal charge missing.

Click here to reveal the answers

Part 2

Draw in any lone pairs and any hydrogens attached to carbon. If the formal charge for an atom is not indicated, it is assumed to be zero.
(Click on the picture to zoom in!)

Part 2 formal charge practice problem. Hand-drawn molecules drawn correctly but lone pairs not shown.

Click here to reveal the answers

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