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Which statement about subatomic particles is true?
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2. Atoms & Elements
Subatomic Particles
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Which of the following lists correctly identifies the three main types of subatomic particles found in atoms?
A
Neutrons, positrons, and electrons
B
Protons, photons, and electrons
C
Electrons, muons, and protons
D
Protons, neutrons, and electrons
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Recall that atoms are composed of three main types of subatomic particles: protons, neutrons, and electrons.
Understand the role of each particle: protons carry a positive charge, neutrons have no charge (neutral), and electrons carry a negative charge.
Identify that positrons are not a standard subatomic particle in atoms; they are the antimatter counterpart of electrons.
Recognize that photons are particles of light and not components of atoms.
Note that muons are elementary particles similar to electrons but are not found as constituents of atoms under normal conditions.
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