Multiple Choice
In a simplified model of subatomic particles, what electric charge does a proton carry?
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4. Atoms and Elements
Subatomic Particles (Simplified)
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In atomic structure, what electrical charge does a proton carry?
A
A negative charge of (in elementary charge units)
B
A positive charge of (in elementary charge units)
C
A charge of (in elementary charge units)
D
No charge,
Verified step by step guidance1
Recall that in atomic structure, the three main subatomic particles are protons, neutrons, and electrons.
Understand that each subatomic particle has a characteristic electrical charge: electrons carry a negative charge, neutrons carry no charge (neutral), and protons carry a positive charge.
The charge of a proton is quantified in elementary charge units, where the elementary charge (e) is the magnitude of the charge of a single proton or electron.
Specifically, a proton carries a positive charge of +1 elementary charge unit, which is the same magnitude but opposite in sign to the electron's charge of -1.
Therefore, the correct description of a proton's charge is a positive charge of +1 (in elementary charge units).
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