Respuesta :

If it's atomic number is 80, than it would have 80 protons. The atomic number is the same as the number of protons.

Answer;

80 protons

Explanation;

  • Protons are sub-atomic particles that carry a positive charge. They are found in the nucleus of an atom together with neutrons, which have no charge.
  • The number of protons in the nucleus of an atom represents the atomic number of the particular element.
  • The mass number on the other hand is the sum of the number of protons and neutrons in the nucleus of an atom.
  • Mercury is in the 80th position, which means it has 80 protons which is also the element's atomic number. It has a chemical symbol Hg.
  • In addition to protons, a neutral atom of mercury has 80 electrons.