JOHN DALTON

Untitled Slide

• Born on September 6th, 1766 in Eaglesfield, Uk
• Died on July 27th, 1844 of a stroke

Untitled Slide

• He and his brother were born color blind
• Leading researcher in color blindness
• Had green and red color blindness

RESEARCH FIELDS

• Chemistry
• Color blindness
• Meteorology
• Physics

DALTON'S ATOMIC THEORY

• All matter is made of atoms
• Atoms are indivisible/indestructible
• Chemical reactions are a rearrangement of atoms
• Atoms of the same element are identical
• Compounds are a combination of two or more atom types

Untitled Slide

• Many points in his theory were close but not exactly right
• He was wrong about atoms being the smallest things(subatomic)
• Right about atoms making up all matter
• Correct about chemical reactions

LAW OF PARTIAL PRESSURES

• Law states that gases expanded in relation to higher temp.
• Proven right since more heat causes expansion

Untitled Slide