Digital library
Textbooks, references and open learning resources.

External
UBC CHEM 154: Chemistry for Engineering
LibreTexts
In the contents: 1.2: Chemical Elements · 03: Chemical Bonding and Molecular Structure · 5.01: Drawing Chemical Structures

External
Green Chemistry and the Ten Commandments of Sustainability
Stanley E. Manahan · University of Missouri
In the contents: 2.13: The process of making and breaking chemical bonds- chemical reactions · 03: The Elements - Basic Building Blocks of Green Chemicals · 3.E: The Elements - Basic Building Blocks of Green Chemicals (Exercises)

External
BIOL 101- Environmental Science
Erin Rempala · San Diego City College
In the contents: 3.3.03: Biogeochemical Cycles · 13.05: Selective Breeding and Genetic Engineering

External
Organic Chemistry with a Biological Emphasis (SUNY Oneonta)
Jacqueline Bennett · SUNY Oneonta
In the contents: 5.03: Chemical Equivalence · 5.05: The Basis for Differences in Chemical Shift · 9.09: The Organic Chemistry of Genetic Engineering