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Atomic theory first discovered, by John Dalton.
All matter is made of atoms. Atoms are indisable and industructable. Dalton was born, september, 6 1766. Dalton died in 1844. He cam to the conclusion of the atomic thoery because of his colered blindness. -
Thomson
He discovered the electrons by by experimenting with crookes, or cathrod ray tubes, he noticed the negitive chrage. Thomson was born in 1856, and died in 1940 -
ruthford
he discovered his thoery by looking over thompsons work, he notcied the elctorn, and protons. -
Current atomic theory
Our current atomic theory is , states that matter is composed of discret units called atoms.