ChemistrySAAbgithinji
Home
Chapters 2-7
Ch2: Measurements and Calculations
>
Scientific Notation
Significant Figures
Measurements
Ch3: Matter
>
States of Matter
Properties of Matter
Atoms, Elements, and Compounds
Mixtures and Pure Substances
Separation of Mixtures
Test What You Learned!
>
Answers
Ch4: Elements, Atoms, and Ions
>
Alchemy
Elements
Atoms
Ions
Scientists
Test What You Learned!
>
Answers
Ch5: Nomenclature
Ch6/7: Chemical Reactions & Reactions in an Aqueous Solution
Chapters 8-16
Ch8: Chemical Composition
Ch9: Chemical Quantities
Ch10: Energy
Ch11: Modern Atomic Theory
>
Electromagnetic Radiation
Wave
Light
Energy Level
Atomic Models
Orbitals
Patterns on the Periodic Table
Ch12: Chemical Bonding
Ch14: Changes of Phases
Ch16: Acid-Base
Scientific Notation expresses a number as a product of a number between 1 and 10 and the appropriate power of 10.
Here are two examples and a video to explain how to do this:
75,000 =
7.5 x 10^4
0.00075 =
7.5 x 10^(-4)