Chem 125 Lecture 1 10/25/02 Projected material This material is for the exclusive use of Chem 125 students at Yale and may not be copied or distributed.

Chem 125 Lecture 110/25/02

Projected material

This material is for the exclusive use of Chem 125 students at Yale and may not

be copied or distributed further.

It is not readily understood without reference to notes from the lecture.

WeradRadix

Latin

Licorice(glukos + rhiza)

Greek

RutabegaSwedish

WortOld English

Mathematics (16th Cent)

Race?RazzaItalian

Eradicate

WurzelGerman

Chemistry (18th Cent - France)

Politics (18th Cent - England)

Radish Radical: Going to the root or origin

= Root

1787: Radical Introduced as a Political Term

"The necessity of a substantial and radical reform in the representation..."

J. Jebb

September 17, 1787

byLouis Bernard

Guyton de MORVEAU(1737-1816)

"Radical"Introduced as aChemical Term

1787

age 50

Méthode de Nomenclature Chimique1787

Antoine François de FOURCROY

(1755-1809) age 32Claude Louis BERTHOLLET

(1748-1822) age 39

AntoineLaurent

Lavoisier(1743-1794)

age 45

7,000 pounds (~$300,000)

Clarity:

Facts Ideas

Words

“impressions of the same seal”

Facts: Analysis

Analysis

TraitéÉlémentairede Chimie

(1789)

?WORD

FACT

THEORY

Oxy-gen+

Base or Radical

Acid

Lavoisier'sCompound

Radicals

Elemental Analysis by Oil Combustion

Air Supply

LampOil

Supply

H2OCollector

CO2

Collector

Silliman Crystal

Silliman Crystal