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

User CodingYoshi
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Answer:

Name Hafnium

Atomic Mass 178.49 atomic mass units

Number of Protons 72

Number of Neutrons 106

Number of Electrons 72

User TuxErrante
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