Multiple Choice
Which subatomic particle in an atom has a negative charge?
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4. Atoms and Elements
Subatomic Particles (Simplified)
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In a simplified model of the atom, where is most of the atom’s mass located?
A
Evenly distributed throughout the atom in both the nucleus and the electron cloud
B
In the electron cloud, because electrons occupy most of the atom’s volume
C
In the space between the nucleus and the electrons
D
In the nucleus, where the protons and neutrons are found
Verified step by step guidance1
Recall the basic structure of an atom, which consists of a nucleus at the center and an electron cloud surrounding it.
Understand that the nucleus contains protons and neutrons, while the electron cloud contains electrons.
Recognize that protons and neutrons have much greater mass compared to electrons.
Note that although electrons occupy most of the atom's volume, their mass is negligible compared to the nucleus.
Conclude that most of the atom's mass is concentrated in the nucleus, where the protons and neutrons are located.
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