Catalyst – February 3(10)-7, 2010 Please place Progress Report Reflection Homework on your desk. What is a valence electron? What are the 3 subatomic.
Intro: Answer the best you can. We will learn all this and much more this unit. 1.What are proteins? 2.Why do we need proteins? 3.What are lipids (fats)?
E1 – Electrical Fundamentals # 1 - Atoms and Electrons, Ohms Law, and Resistance.
Chapter 1 - section 3: Chemical Compounds in cells What is air made up of? Air is a mixture of gases, including oxygen and nitrogen Oxygen and nitrogen.
CHAPTER 7 7.3 Molecular Geometry and Lewis Dot Structures Bonding.
Aldehydes and ketones that have a C=O bond, but no O-H bond, cannot form hydrogen bonds with one another, as alcohols. Aldehyde and ketones therefore have.
Chemistry of Life Complexity of Life Chemistry of Life Atoms – the SMALLEST particle that can exist and still be considered a certain kind of matter.
Elements, compounds and mixtures. WHAT IS AN ELEMENT?
CHEMISTRY Basic Chemistry. BASIC TERMS ATOM Smallest particle of a chemical element. –Consists of 3 parts. Protons = (+) charge Electrons = (-) charge.
Section 1 Chemistry of life Atoms Everything in the universe is made of tiny particles called ATOMS Stars in the sky Air you breath Water you drink The.
Ch. 7 (Con’t.) Formula Writing & Naming of Compounds.
Chapter 8 Notes, part I Writing Ionic Formulas. Compounds Up until now, we have only looked at single elements. There are only (to date) just over 100.