Final answer:
Aluminum has 13 protons and 14 neutrons in its nucleus.
Explanation:
Aluminum (Al) has an atomic number of 13, which represents the number of protons in its nucleus. To find the number of neutrons in aluminum, you subtract the atomic number from the mass number. The mass number of aluminum is typically 27 (as shown in the periodic table), so it has 14 neutrons.
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