Principles of structural and environmental chemistry underlying the phenomenon of life on Earth, discussed in a historical, cultural and philosophical framework. Includes weekly two-hour laboratory. Course Information: Credit is not given for CHEM 100 if the student has credit in CHEM 112 or CHEM 116 or CHEM 122. Class Schedule Information: To be properly registered, students must enroll in one Laboratory-Discussion and one Lecture. Natural World - With Lab course.