how do you feel about what you are watching in "The mystery of matter into the atom"
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The mystery of matter into the atom.
Explanation:
- J.J. Thomson of cambridge university discovered the electron in 1897
- He set off a race to find the rest of the atoms pieces.
- He found that even when he used different metals for the cathode,
- The resulting electrons were always the same
- It was a sign that Electron was a piece of every atom.
- He knew that atoms themselves had no overall charge
- Reason being they must contain a positively charged particle (proton) to cancel out the negatively charged electrons.
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