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The chemical behavior of an atom is determined by the number and configuration of its:
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2. Atoms & Elements
The Atom
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Which subatomic particles move rapidly around the nucleus of an atom?
A
Neutrons
B
Protons
C
Electrons
D
All of the above
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Recall the structure of an atom, which consists of a nucleus and electrons surrounding it.
Understand that the nucleus contains protons and neutrons, which are relatively stationary compared to electrons.
Recognize that electrons are the subatomic particles that move rapidly around the nucleus in regions called electron clouds or orbitals.
Note that protons and neutrons remain inside the nucleus and do not move around it.
Therefore, the subatomic particles that move rapidly around the nucleus are the electrons.
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