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Which subatomic particle does not affect the overall charge of an atom?
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2. Atoms & Elements
Subatomic Particles
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Which of the following subatomic particles has appreciable mass and lacks a charge?
A
Electron
B
Positron
C
Proton
D
Neutron
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Recall the three main subatomic particles: electrons, protons, and neutrons, and their basic properties.
Understand that electrons have a very small mass and carry a negative charge.
Know that protons have a significant mass (about 1 atomic mass unit) and carry a positive charge.
Recognize that neutrons have a mass similar to protons but carry no electric charge, making them neutral.
Conclude that the particle with appreciable mass and no charge is the neutron.
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