Multiple Choice
In a simplified model of the atom, which subatomic particles are located in the center of the atom (the nucleus)?
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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 carry?
A
No charge ()
B
A negative charge of (in elementary charge units)
C
A charge of (in elementary charge units)
D
A positive charge of (in elementary charge units)
Verified step by step guidance1
Recall that subatomic particles include protons, neutrons, and electrons, each with characteristic electric charges.
Understand that the elementary charge unit, denoted as +1 or -1, is the fundamental unit of electric charge carried by particles.
Recognize that a proton carries a positive electric charge, which is exactly one elementary charge unit.
Note that the neutron carries no charge (0), and the electron carries a negative charge of -1 elementary charge unit.
Therefore, the proton's charge is represented as +1 in elementary charge units, indicating a positive charge equal in magnitude to the electron's negative charge.
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