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Which set of subatomic particles makes up a typical atom?
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4. Atoms and Elements
Subatomic Particles (Simplified)
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Which set correctly lists the three main subatomic particles that make up an atom?
A
Protons, neutrons, and molecules
B
Neutrons, electrons, and isotopes
C
Protons, electrons, and ions
D
Protons, neutrons, and electrons
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Recall that an atom is 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.
Recognize that molecules and ions are not subatomic particles; molecules are groups of atoms bonded together, and ions are atoms or molecules with a net charge due to loss or gain of electrons.
Isotopes refer to atoms of the same element with different numbers of neutrons, so they are not subatomic particles themselves but variations of atoms.
Therefore, the correct set listing the three main subatomic particles is protons, neutrons, and electrons.
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