Question

How many protons are there in sulphate ion

Answer 1

Determine the number of protons, neutrons, and electrons in a 210Pb2+ ion. The atomic number of lead is 82, which means this ion contains 82 protons. Since it has a charge of +2 , this ion must contain 80 electrons.

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Answer 2

To calculate the number of neutrons for the sulfate ion, SO4, one has to consider individual isotopes of oxygen and sulfur. O-16 is the most common isotope of oxygen. It's atomic number is 8 (number of protons); so, there are 8 neutrons

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