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Which subatomic particles are found in the nucleus of an atom?
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2. Atoms & Elements
Subatomic Particles
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Which subatomic particle is found outside the atomic nucleus and carries a negative electrical charge?
A
Proton
B
Positron
C
Neutron
D
Electron
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Identify the subatomic particles mentioned in the problem: Proton, Positron, Neutron, and Electron.
Recall the basic properties of each subatomic particle: Protons are positively charged and found in the nucleus, Neutrons have no charge and are also found in the nucleus, Positrons are positively charged and are the antimatter counterpart of electrons, and Electrons are negatively charged and found outside the nucleus.
Focus on the requirement that the particle must be found outside the atomic nucleus and carry a negative charge.
Match the properties of each particle with the given requirements: The Electron is the only particle that is found outside the nucleus and carries a negative charge.
Conclude that the subatomic particle described in the problem is the Electron.
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