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Which subatomic particle is the positively charged part of an atom?
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4. Atoms and Elements
Subatomic Particles (Simplified)
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In a simplified model of the atom, where is the electron located?
A
In the nucleons only when the atom is ionized
B
In the same location as neutrons, but with opposite charge
C
Inside the nucleus with the protons and neutrons
D
In the electron cloud (orbitals) surrounding the nucleus
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Understand the basic structure of an atom: it consists of a nucleus containing protons and neutrons, and electrons that are found outside the nucleus.
Recall that protons have a positive charge, neutrons have no charge, and electrons have a negative charge.
Recognize that electrons are not located inside the nucleus but instead exist in regions around the nucleus called electron clouds or orbitals.
Electron clouds represent the areas where electrons are most likely to be found, according to quantum mechanical models, rather than fixed paths.
Therefore, the electron is located in the electron cloud (orbitals) surrounding the nucleus, not inside the nucleus or with the nucleons.
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