science
Grade-9
Easy
Question
Who was the first scientist to propose the atomic model of an atom?
- Rutherford
- James Chadwick
- Ernest Rutherford
- J.J Thomson
Hint:
J J Thomson was the first who discovered the fact of an atom.
The correct answer is: J.J Thomson
- J J Thomson was the first one who discovered atoms.
- He conducted several experiments with cathode ray tubes to find out the fact about atoms.
- He concluded that the atoms are tiny negatively charged electrons embedded with positively charged particles.
- His model was called the plum pudding model.
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