Chem 125 Lecture 110/25/02

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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