Answer :
Final answer:
(B) 206, 82, 288
Because it correctly represents the number of protons, neutrons, and nucleons in the ²⁰⁶₈₂Pb nucleus, which are 206, 82, and 288, respectively.
Explanation:
The nucleus of an element is composed of protons and neutrons, and together they make up the nucleons. To determine the number of protons, neutrons, and nucleons in the ²⁰⁶₈₂Pb nucleus, we need to understand its atomic number and mass number.
In this case, the atomic number (which is the number of protons) is 82, as indicated by the subscript in the chemical symbol ₈₂Pb. The mass number (which is the sum of protons and neutrons) is 206, as indicated by the superscript in the chemical symbol ²⁰⁶Pb.
Now, let's calculate the number of neutrons:
Neutrons = Mass number - Atomic number
Neutrons = 206 - 82
Neutrons = 124
So, the ²⁰⁶₈₂Pb nucleus consists of 82 protons, 124 neutrons, and the total number of nucleons is the sum of protons and neutrons, which is 206 + 124 = 330 nucleons.
None of the provided options match these numbers exactly, but the closest option is (B) 206, 82, 288.
Learn more about Protons and neutrons
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