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Ch.1 Matter and MeasurementsWorksheetSee all chapters
All Chapters
Ch.1 Matter and Measurements
Ch.2 Atoms and the Periodic Table
Ch.3 Ionic Compounds
Ch.4 Molecular Compounds
Ch.5 Classification & Balancing of Chemical Reactions
Ch.6 Chemical Reactions & Quantities
Ch.7 Energy, Rate and Equilibrium
Ch.8 Gases, Liquids and Solids
Ch.9 Solutions
Ch.10 Acids and Bases
Ch.11 Nuclear Chemistry
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
What is Chemistry?
The Scientific Method
Classification of Matter
States of Matter
Physical & Chemical Changes
Chemical Properties
Physical Properties
Intensive vs. Extensive Properties
Temperature (Simplified)
Scientific Notation
SI Units (Simplified)
Metric Prefixes
Significant Figures (Simplified)
Significant Figures: Precision in Measurements
Significant Figures: In Calculations
Conversion Factors (Simplified)
Dimensional Analysis
Specific Gravity
Density of Geometric Objects
Density of Non-Geometric Objects

Significant Figures are used to discuss the level of precision in any measurement. 

Recording Measurements

Concept #1: The more significant figures in a measurement then the more precise it is.

Example #1: Determine the number of significant figures involved in measuring the length of the square. 

a) 3 cm                                     

b) 3.2 cm                                   

c) 3.20 cm                                   

d) 3.200 cm

Practice: Read the length of the pencil to the correct number of significant figures.

Practice: What is the correct reading for the liquid in the burette provided below?