Saturday, February 11, 2012

Thomson's atomic theory


Thomson's atomic theory
core
a. Atom is the smallest substance
b. Spherical atoms with positive and negative charges are spread evenly across the surface of the ball
c. Amount of positive charge equal to the negative charge, as a whole atom is neutral
d. Electron mass is much smaller than the mass of the atom as a whole.

weakness
- Not able to explain the spectrum of hydrogen gas.

Thomson's atomic theory

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