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In the simplified model of matter, can a particle be a single atom?
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4. Atoms and Elements
The Atom (Simplified)
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In a simplified model of the atom, what is the dense center of an atom called?
A
The electron cloud
B
The orbital
C
The nucleus
D
The valence shell
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Understand that an atom consists of a central part and surrounding regions where electrons are found.
Recall that the dense center of an atom contains protons and neutrons, which together form the core of the atom.
Recognize that this dense center is called the nucleus, which holds most of the atom's mass.
Differentiate the nucleus from other parts such as the electron cloud (where electrons move) and orbitals (regions where electrons are likely to be found).
Conclude that the correct term for the dense center of an atom is the nucleus.
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