Do Now Using what you know about polar bonds, identify the following molecules as mostly polar or mostly non-polar.

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Presentation transcript:

Do Now Using what you know about polar bonds, identify the following molecules as mostly polar or mostly non-polar.

Aim How does molecular geometry affect polarity?

Solubility as a Test for Polarity Water and Oil Insoluble Water and CTC Insoluble Water and Ether Insoluble CTC and Ether Soluble

Why isn’t CTC polar?

Why isn’t CTC polar? Polar molecules must be

Molecular Geometry: Overview Four bonds: Example: Three Bonds: Two or one bond(s):

Practice time!

Your Turn!

Checking Out Which is a nonpolar covalent substance? CCl4 NH3 H2O KCl