Slide 1 Slide 2 How many electrons do all atoms want in their outer shell? How do these atoms get those e-s in the outer shell? How can you tell how many valence e-s an atom…

1.Lecture 2: Atoms, Molecules & Life Covers Chapter 2 2. • Yesterday we talked about the fact that all matter (and life as well, because life is made of matter) is…

Slide 1The Origin of the Ocean The Water Planet Slide 2 Slide 3 AN OCEAN WORLD The ocean covers 71% of Earth’s surface The ocean contains 97% of the water on Earth The…

Slide 1Warm-up Spiral Write or read over your summary for the notes on “Describing Chemical Reactions” (Pgs. 544 – 548) If you were absent, begin to write notes now…

Slide 1 CHEMICAL COMPOUNDS AND FORMULAS Slide 2 ELEMENTS AN ELEMENT IS A PURE SUBSTANCE CONTAINING ONLY ONE KIND OF ATOM. Slide 3 COMPOUNDS COMPOUNDS: 2 OR MORE ELEMENTS…

Slide 1Chemistry 101 Answers Slide 2 1. What makes the properties of atoms (and elements) different from one another? Slide 3 “The number of protons an atom has determines…

Slide 1 H2OH2O Review: How to make a molecule… No Subscript, There is only 1 atom of oxygen in the molecule Subscript Visual modelFormula Slide 2 H2OH2O Review: How to…

Slide 1 The Big Bang Event that occurred approximately 13.7 BILLION years ago All the mass and energy concentrated at a point The universe began expanding and continues to…

Slide 1 Slide 2 Chem 125 Lecture 3 9/9/02 Projected material This material is for the exclusive use of Chem 125 students at Yale and may not be copied or distributed further.…

Slide 1 Covalent Bonding Sec. 8.3: Molecular Structures Slide 2 Objectives List the basic steps used in drawing Lewis structures. List the basic steps used in drawing Lewis…