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How do the masses of the proton and the neutron compare with the mass of the electron?
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2. Atoms & Elements
Subatomic Particles
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Which of the following statements about subatomic particles is true?
A
Neutrons carry a positive charge.
B
Protons and neutrons have approximately the same mass.
C
Electrons are found in the nucleus of an atom.
D
Protons have a smaller mass than electrons.
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Recall the basic properties of subatomic particles: protons, neutrons, and electrons.
Understand that protons carry a positive charge, electrons carry a negative charge, and neutrons are neutral (carry no charge).
Know that protons and neutrons are located in the nucleus of an atom, while electrons are found in the electron cloud surrounding the nucleus.
Recognize that the mass of protons and neutrons is approximately the same and much larger than the mass of electrons.
Use these facts to evaluate each statement and identify the true one based on charge, location, and relative mass.
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