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How many protons, neutrons, and electrons are present in an atom of hafnium, Hf, with a mass number of 178?

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cristinasosa1810

Answer:Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. The chemical symbol for Hafnium is Hf. Neutron Number and Mass Number of Hafnium Mass numbers of typical isotopes of Hafnium are 176-178, 179, 180.

Explanation:

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