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Discovery of Nucleus (Gold Foil Experiment)
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Discovery of Nucleus (Gold Foil Experiment)

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Questions and Answers

J.J. Thomson discovered the electron in 1897.

True

Thomson's plum pudding model described atoms as having electrons embedded in a ball of negative charge.

False

The Gold Foil Experiment was used to discover the electron.

False

J.J. Thomson's hypothesis stated that cathode rays are made up of positively charged particles called corpuscles.

<p>False</p> Signup and view all the answers

The atom according to Thomson consists of a nucleus containing protons, neutrons, and electrons in shells.

<p>True</p> Signup and view all the answers

Thomson's ideas about the atom were solely based on imagination without any evidence or technological advances.

<p>False</p> Signup and view all the answers

Thomson's experiments led him to conclude that cathode rays are negatively charged particles.

<p>True</p> Signup and view all the answers

The number of subatomic particles in an atom can be calculated from the atom's atomic number and neutron number.

<p>False</p> Signup and view all the answers

Thomson's plum pudding model compared the electrons in an atom to fruit embedded in a ball of positive charge.

<p>True</p> Signup and view all the answers

Thomson's hypotheses included the idea that the nucleus of an atom contains protons and neutrons.

<p>False</p> Signup and view all the answers

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