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Questions and Answers
Who proposed the Rutherford Nuclear model?
Who proposed the Rutherford Nuclear model?
- Ernest Rutherford (correct)
- J.J. Thomson
- James Chadwick
- Niels Bohr
What did the Rutherford Nuclear model conclude about the atom?
What did the Rutherford Nuclear model conclude about the atom?
- The atom is a cloud of positive charge with electrons dispersed within it.
- The atom is a solid sphere with a positive charge distributed throughout.
- The atom consists of a small, dense, positively charged nucleus with electrons orbiting around it. (correct)
- The atom is composed of protons and neutrons with electrons embedded within the nucleus.
What was the major drawback of the Rutherford Nuclear model?
What was the major drawback of the Rutherford Nuclear model?
- It failed to account for the existence of neutrons.
- It couldn't explain the emission of light from atoms.
- It couldn't explain the stability of the atom. (correct)
- It disregarded the presence of electrons in the atom.
What is the equation for the force experienced by an alpha particle due to electrostatic repulsion as it approaches the nucleus?
What is the equation for the force experienced by an alpha particle due to electrostatic repulsion as it approaches the nucleus?
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What is the kinetic energy of an alpha particle at a distance $r$ from the nucleus?
What is the kinetic energy of an alpha particle at a distance $r$ from the nucleus?
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What is the closest distance an alpha particle can approach the nucleus before it is turned back?
What is the closest distance an alpha particle can approach the nucleus before it is turned back?
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