Answer :
Final answer:
An atom with 83 protons, 83 electrons, and 125 neutrons is an atom of the element Bismuth (Bi) with a relative mass of 208 and a net charge of zero.
Explanation:
An atom with 83 protons, 83 electrons, and 125 neutrons is an atom of the element Bismuth (Bi). Bismuth has an atomic number of 83, which represents the number of protons in the nucleus. The relative mass of an atom is determined by the combined mass of its protons, neutrons, and electrons. In this case, the relative mass of the atom is equal to the mass of the protons plus the mass of the neutrons, which is 83 + 125 = 208. The net charge of an atom is determined by comparing the number of protons (positive charge) to the number of electrons (negative charge). In this case, the atom has an equal number of protons and electrons, resulting in a net charge of zero.
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