Multiple Choice
In a simplified model of the atom, where is the electron located?
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4. Atoms and Elements
Subatomic Particles (Simplified)
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In a simplified model of subatomic particles, what electric charge does a proton have?
A
A negative charge of (in elementary charge units).
B
A positive charge of (in elementary charge units).
C
No charge ().
D
A positive charge of (in elementary charge units).
Verified step by step guidance1
Recall that the electric charge of subatomic particles is measured in elementary charge units, where the elementary charge (e) is the charge of a single proton or electron.
Understand that a proton is one of the primary subatomic particles found in the nucleus of an atom, along with neutrons.
Know that the proton carries a positive electric charge, which is fundamental to the structure of atoms and the behavior of matter.
Recognize that the magnitude of the proton's charge is exactly +1 in elementary charge units, meaning it has the same magnitude as the electron's charge but opposite in sign.
Therefore, the proton's electric charge is a positive charge of +1 elementary charge unit.
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