Chapter 2 Measurements Measured Numbers and Significant Figures.
Significant Figures
SCIENTIFIC MEASUREMENT
Chapter 1 CHEM 205 Tutorial 0 .
Types of Observations and Measurements We make QUALITATIVE observations – physical and chemical properties and changesWe make QUALITATIVE observations.
Chemical Foundations 1. Nature of Measurement Part 1 - number Part 2 - scale (unit) Examples: 20 grams 6.63 x 10 -34 Joule seconds Measurement - quantitative.
SCIENTIFIC MEASUREMENT CHEM IH: CHAPTER 3. What is Scientific Notation? Scientific notation is a way of expressing really big numbers or really small.
Do Now Activity Sit down quietly in your assigned seat and begin writing 3 to 4 sentences about what is an atom and how atoms relate to elements. (8 minutes.
Welcome to the World of Chemistry & Physics
PowerPoint The First
