Use these 3 free Unit 10 practice problems as a first check. When you want more reps on Lewis structures, geometry, polarity, and intermolecular forces, premium unlocks Quick Sets of 3, Standard Sets of 9, and Extended Sets of 18 from this 81-problem bank.
3 Free Sample Problems
These 3 help you check whether bonding patterns are starting to fit together as one system instead of a list of separate facts.
#4Formal Charge
In the Lewis structure of SO₂, the central sulfur atom has 1 double bond and 1 single bond to oxygen, plus 1 lone pair. What is the formal charge on sulfur? (S has 6 valence electrons.)
#5VSEPR Geometry
A molecule has 4 bonding pairs and 0 lone pairs around the central atom. What is its molecular geometry?
#6Lewis Structure + Geometry
Draw the Lewis structure of water (H₂O). How many lone pairs are on oxygen, and what is the molecular geometry?
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81 practice problems in this unit bank
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