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Which particles make up the nucleus of an atom?
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2. Atoms & Elements
The Atom
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Which of the following best describes the electric charge of a proton?
A
+1 elementary charge
B
-1 elementary charge
C
0 (neutral)
D
+2 elementary charges
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Recall that the electric charge of subatomic particles is a fundamental property that determines their electromagnetic interactions.
Identify the proton as one of the three main subatomic particles, along with neutrons and electrons.
Remember that electrons carry a charge of -1 elementary charge, neutrons are neutral with 0 charge, and protons carry a positive charge.
The magnitude of the proton's charge is equal to the magnitude of the electron's charge but with opposite sign.
Therefore, the proton has a charge of +1 elementary charge.
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