Science Lessons and Assistance
MrRast.com
MrRast
Chemistry in the Earth System
Contact Me
More
Use tab to navigate through the menu items.
Chemistry in the Earth System
Introduction to Chemistry and Engineering
Compounds and Mixtures
Averaging Data
Scientific Thinking
Significant Figures
Scientific Notation
Atoms and Elements
Predicting Ionic Charges
Ionic Bonds
Covalent Bonds & Lewis Structures
Advanced Lewis Structures
Lewis Structures with Resonance
History of the Atomic Structure
Atomic Structure, Mass, & Isotopes
Electron Configurations
What to improve your grade?
Watch this video!
Helpful Documents
Periodic Table
Syllabus
Lab Safety
Electronegativity Periodic Table
School Calendar and Quiz Dates