Atomic Model

There are 56 protons and 81 neutrons in the element Barium which are located inside the nucleus. There are 56 electrons which are located in electron clouds around the nucleus. The nucleus is where the protons and neutrons are held. Barium has two Valence Electrons which are the electrons in the outer electron cloud. In Barium there are 56 protons and electrons, and 81 neutrons.

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