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Questions and Answers
What did Rutherford's atomic model propose about the location of the positive charge and most of the mass of an atom?
What did Rutherford's atomic model propose about the location of the positive charge and most of the mass of an atom?
- They are concentrated in an extremely small volume called the nucleus (correct)
- They are concentrated in the outer shell of the atom
- They are evenly distributed throughout the atom
- They are located in the electron cloud
According to Rutherford's model, where are the negatively charged electrons located?
According to Rutherford's model, where are the negatively charged electrons located?
- Surrounding the nucleus of an atom (correct)
- Located within the nucleus of an atom
- Concentrated in a small volume outside the nucleus
- Evenly distributed throughout the atom
In Rutherford's atomic model, what is the central region of an atom called?
In Rutherford's atomic model, what is the central region of an atom called?
- Electron cloud
- Outer shell
- Proton center
- Nucleus (correct)
How does Rutherford's model describe the distribution of positive charge and mass in an atom?
How does Rutherford's model describe the distribution of positive charge and mass in an atom?
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Study Notes
Rutherford's Atomic Model
- Proposed that the positive charge and most of the mass of an atom are concentrated in a small central region known as the nucleus.
- The nucleus is surrounded by negatively charged electrons that occupy the space around it.
- Emphasized that the nucleus contains a majority of an atom's mass, while electrons are significantly lighter and contribute minimally to the overall mass.
- Described the atom as mostly empty space, with electrons orbiting the nucleus, similar to planets around the sun.
- Indicated that the distribution of positive charge is concentrated in the nucleus, creating a strong electrostatic attraction between the nucleus and the electrons.
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Test your knowledge of Rutherford's atomic model which proposed the concentration of positive charge and mass in a small nucleus, surrounded by negatively charged electrons.
