SHAPES OF MOLECULES. REMINDER ABOUT ELECTRONS Electrons have negative charges Negative charges “repel” each other In molecules, electrons want to.
Equity Contracts – Prof. Merges March 29, 2011.
Chapter 9 Molecular Geometry & Bonding Theories Chapter 9 Molecular Geometry & Bonding Theories.
Topic: Molecular Shape Do Now: Draw Lewis Dot Diagram for the following two compounds 1. CH 2 F 2 2. CaO [ Ca ] +2.
$$$ Quiz $$$ Covalent Bonding and Naming. A bond in which electrons are shared. covalent.
Coping with Changes in the Work Place. Purpose This program is designed to help participants: anticipate how they will respond to change develop resilience.
© GCSE 026 08-April-13. Limestone quarry.
WELCOME TO TAU BETA PI! Meeting 1 February 3, 2015 7:30 PM CSE E121.
REFRACTION OF LIGHT. REFRACTION THE BENDING OF LIGHT DUE TO A CHANGE IN ITS SPEED.
1 Detecting fake materials Key clues. 2 Fraudulent box Labeling mistakes A missing icon could mean the label is fake, but the 0335 date code on a brand.
Functions of (Skeletal) Muscles 1.Movement 2. Posture and Muscle Tone 3. Heat Production.
BioPhysics 101 Biology section #2 Sept. 30 2003 Today’s topics: Dogmas Operons Cis and Trans Haplotypes.