Questions and Answers
Who discovered the existence of neutrons, the electrically neutral fundamental particles present in an atom?
Which scientist proposed an atomic model with all the positive charges concentrated at the centre of the atom, inside the nucleus, and the electrons present in circular orbits around the nucleus?
According to Rutherford's atomic model, where are the electrons present?
Who discovered the existence of electrons, the negatively-charged particles in atoms?
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Which scientist proposed an atomic model where an atom is a sphere of positive charge in which electrons are embedded?
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Study Notes
Atomic Model and Discovery
- James Chadwick discovered the existence of neutrons, the electrically neutral fundamental particles present in an atom.
- Ernest Rutherford proposed an atomic model with all the positive charges concentrated at the centre of the atom, inside the nucleus, and the electrons present in circular orbits around the nucleus.
- According to Rutherford's atomic model, electrons are present in circular orbits around the nucleus.
- J.J. Thomson discovered the existence of electrons, the negatively-charged particles in atoms.
- J.J. Thomson proposed an atomic model where an atom is a sphere of positive charge in which electrons are embedded.
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Description
Test your knowledge of the structure of the atom with this quiz. Explore the fundamental particles - electrons, protons, and neutrons - and their charges. Delve into the discoveries of J. J. Thomson and the properties of charged particles in matter.
