Dalton's Discovery

Dalton's discovery

• John Dalton was a English chemist
• He was born in 1776 and died in 1884
• He first presented his discovery in the year 1803

DALTON'S ATOMIC THEORY

• All matter is made of atoms. Atoms are indivisible and indestructible.
• All atoms of a given element are identical in mass and properties
• Compounds are formed by a combination of two or more different kinds of atoms.
• A chemical reaction is a rearrangement of atoms.

DALTON'S THEORY

• The essence of Dalton's theory is still correct but there have been more discoveries made
• Dalton often did experiments with gases and this is what led him to think and discover that everything whether liquid, gas, or solid has to be made out of something.
• These are one of the first recorded elements which were first seen in John Dalton's book "New System of Chemical Philosophy

DALTON'S DIAGRAM

• Dalton's diagram of an atom is just a plain circle
• There is nothing special or complex about it

Other Facts
• John Dalton was in fact colorblind
• He could only see yellow
• He was a math teacher at New College in Manchester

CIATATIONS

• Soft schools.com/facts
• Biography.com
• Chem heritage.org
• Chemwiki.ucdavis.edu

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