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Historical Development Of Atomic Structure
Beginning of essay
T3 IBS Chemistry
Ms. Redman
The idea behind the "atom" goes back to the Ancient Greek society, where
scientists believed that all matter was made of smaller, more fundamental
particles called elements. They called these particles atoms, meaning "not
divisible." Then came the chemists and physicist ....
Middle of essay ....gained acceptance by the scientific
world when three elements he "predicted"—gallium, germanium, and scandium—were
subsequently discovered In 1856 another important figure in atomic theory was
born: Sir Joseph John Thomson. In 1906, after teaching at the University of
Cambridge and Trinity University in England, he won the Nobel Prize in physics
for his work on the conduction of electricity through gases. He discovered what
an electron is using cathode rays. An electron is the smallest particle .... |
Number of words: 1213 |
Approximate pages: 5 |
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