-
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.
-
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
-
he discovered his thoery by looking over thompsons work, he notcied the elctorn, and protons.
-
Our current atomic theory is , states that matter is composed of discret units called atoms.