Johnny saw some dynamite Couldn't understand it quite But curiosity never pays It rained Johnny for seven days.

A mosquito cried out in pain: "A chemist has poisoned my brain!" The cause of his sorrow was para-dichlorodiphenyltrichloroethane

The Twelve Days of Chemistry: On the first day of chemistry My teacher gave to me A candle from Chem Study.
(second day) two asbestos pads
(third day) three little beakers
(fourth day) four work sheets
(fifth day) five golden moles
(sixth day) six flaming test tubes
(seventh day) seven unknown samples
(eighth day) eight homework problems
(ninth day) nine grams of salt
(tenth day) a ten page test
(eleventh day) eleven molecules
(twelfth day) a twelve point quiz