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Questions and Answers
According to Rutherford's atomic model, which of the following statements about the atom is true?
According to Rutherford's atomic model, which of the following statements about the atom is true?
- The atom is extremely large in size.
- The atom has a simple structure.
- The atom has a complicated structure that resembles the solar system. (correct)
- The atom is uniformly dense.
According to Rutherford's atomic model, where is most of the atomic mass and positive charges concentrated?
According to Rutherford's atomic model, where is most of the atomic mass and positive charges concentrated?
- In the electrons orbits
- In the vast space between the nucleus and the electrons orbits
- In the atom
- In the nucleus (correct)
According to Rutherford's atomic model, what is the relationship between the sum of negative electric charges of electrons and the sum of positive charges in the nucleus?
According to Rutherford's atomic model, what is the relationship between the sum of negative electric charges of electrons and the sum of positive charges in the nucleus?
- They are equal in quantity and direction.
- They are equal in quantity and magnitude, but opposite in direction.
- They are equal in quantity and direction, but opposite in magnitude.
- They are equal in quantity but opposite in direction. (correct)
According to Rutherford's atomic model, how do electrons travel around the nucleus?
According to Rutherford's atomic model, how do electrons travel around the nucleus?
According to Rutherford's atomic model, what force overcomes the attraction force between the nucleus and the electrons?
According to Rutherford's atomic model, what force overcomes the attraction force between the nucleus and the electrons?
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Study Notes
Rutherford's Atomic Model
- Most of the atomic mass and positive charges are concentrated in the nucleus.
- The sum of negative electric charges of electrons is equal to the sum of positive charges in the nucleus.
- Electrons travel in orbits around the nucleus.
- The electrostatic force of attraction between the nucleus and the electrons is overcome by the centrifugal force of the electrons.
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