The Way Earliers Scientists Viewed Atoms
by
JJxxJOHNYxx12
Last updated 7 years ago
Discipline:
Science Subject:
Chemistry
Grade:
10


The Way Earlier Scientists Viewed Atoms
TimeLine
370 B.c
Democritus
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1803
John Dalton
1897
JJ Thomson
1908
*Discovered the electrons(corpuscles) *Claimes that atoms were streams of very small pieces of matter
#Reffered to atoms as the building blocks of matter#Believed to be infinite,indivisible and indestructible
*Claimed that atoms were uncutable pieces of matter*Claimed that they were infinite in #
*Claimed that atoms were surrounded by negative orbiting electrons,and that it had a central positive nucleus
Neils Bohr
James Chadwick
Robert Milikan
Erwin Schrodinger
Ernest Rutherford
*He claimed that atoms move around the nucleus in a particular path#Believed that electrons do not lose energy
*He conducted an oil experiment which led him to dicover the charge of an electron
#Claimed that electrons are particles and waves
*Believed that there had to be yet another particle in an atom, one that was neutral*Eventually,he discovered the neutrons
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