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Which element has 17 protons in its nucleus (atomic number 17)?
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4. Atoms and Elements
Subatomic Particles (Simplified)
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In a simplified model of the atom, where is a proton located?
A
In the outermost energy level (valence shell) only
B
Between the nucleus and the electron cloud in a fixed orbit
C
In the nucleus of the atom
D
In the electron cloud surrounding the nucleus
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Recall the basic structure of an atom, which consists of a nucleus and an electron cloud surrounding it.
Understand that the nucleus is the central part of the atom and contains protons and neutrons.
Recognize that electrons are found in the electron cloud, which is the region around the nucleus where electrons move.
Note that protons are positively charged particles located specifically inside the nucleus, not in the electron cloud or in fixed orbits between the nucleus and electron cloud.
Therefore, the proton is located in the nucleus of the atom.
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