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Which of the following correctly describes a difference between neutrons and electrons?
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2. Atoms & Elements
Subatomic Particles
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Which subatomic particle is most movable in an atom and can occupy an orbital?
A
Electron
B
Quark
C
Proton
D
Neutron
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Understand the structure of an atom: it consists of protons and neutrons in the nucleus, and electrons surrounding the nucleus in orbitals.
Recall that protons and neutrons are located in the nucleus and are relatively fixed in position due to strong nuclear forces.
Recognize that electrons are much lighter and are found in regions called orbitals around the nucleus, where they can move and change energy levels.
Know that quarks are fundamental particles that make up protons and neutrons, but they are not free to move independently within the atom.
Conclude that the electron is the subatomic particle that is most movable and can occupy orbitals around the nucleus.
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