Organic Chemistry: R and S

R and S is tricky. Only use this AFTER you have mastered the basics of R and S.
Source: unknown.

Chemistry: oxidation/reduction

source: unknown. old pneumonic.

Chemistry: KHDDCM unit standard notation

This works for gram (milligram, killograms), meters, [insert others here].
source: unknown.
widely known pneumonic

Organic Chemistry: Nomenclature: carbon chain length

source: eckosama, U of M

Biology: Animal Phyla

source: needs tracing
check with Ms. Perkins