Multiple Choice
All atoms of a given element have the same number of which subatomic particle?
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4. Atoms and Elements
Subatomic Particles (Simplified)
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In a simplified model of the atom, where are the electrons located?
A
Inside the nucleus with the protons and neutrons
B
Equally distributed between the nucleus and the electron cloud
C
In the electron cloud (orbitals) surrounding the nucleus
D
In a region outside the atom, separate from it
Verified step by step guidance1
Understand the basic structure of an atom: it consists of a nucleus at the center, containing protons and neutrons, and electrons that are found outside the nucleus.
Recall that electrons are not located inside the nucleus; instead, they occupy regions around the nucleus called orbitals, which collectively form the electron cloud.
Recognize that the electron cloud is a probabilistic region where electrons are most likely to be found, rather than fixed paths or locations.
Eliminate incorrect options: electrons are not inside the nucleus, nor are they equally distributed between the nucleus and electron cloud, and they are not outside the atom separate from it.
Conclude that the electrons are located in the electron cloud (orbitals) surrounding the nucleus, which is the accepted model in atomic theory.
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