Atoms and Atomic Structure

An atom of the element iron has an atomic number of 26 and an atomic weight of 56. If it is neutral how many protons neutrons and electrons does it have?


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protons 26 electrons 26 neutrons Iron will have 26 electrons 26 protons (they are = because the atom is neutral) and it will have 30 neutrons (because protons + neutrons= your atomic weight)

electrons have virtually no mass

If the iron atom had a +2 charge there would be two less electrons than protons. 26 protons 24 electrons 30 neutrons.