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Warm Up 11/20 List a homogeneous mixture and a heterogeneous mixture.

Warm Up 11/20 List a homogeneous mixture and a heterogeneous mixture. VSEPR (molecular shape). VSEPR. V alence S hell E lectron P air R epulsion. The sets of valence electrons in a molecule repulse each other, so that the atoms and lone pairs of electrons are as far apart as possible.

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Warm Up 11/20 List a homogeneous mixture and a heterogeneous mixture.

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  1. Warm Up 11/20 List a homogeneous mixture and a heterogeneous mixture.

  2. VSEPR (molecular shape)

  3. VSEPR Valence Shell Electron Pair Repulsion The sets of valence electrons in a molecule repulse each other, so that the atoms and lone pairs of electrons are as far apart as possible.

  4. Linear • 2 atoms attached to center atom • 0 lone pairs for middle atom • CO2

  5. Trigonal Planar • 3 atoms attached to center atom • 0 lone pairs for middle atom H B H H

  6. Trigonal Pyramidal • 3 atoms attached to center atom • 1 lone pair electrons • NH3

  7. Tetrahedral • 4 atoms attached to center atom • 0 lone pairs for middle atom • CH4

  8. Bent • 2 atoms attached to center atom • 1 or 2 lone pairs for middle atom • H2 O .. - - H O H ..

  9. Covalent Poster • Draw the Lewis Dot structure of the molecule • Final dot structure (nice version) • Write the formula • Write the name • Write the name of VSEPR Shape • Draw a picture of the shape

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