Fill in the blank.
The element Tellurium has an atomic number of 52. If the mass number of a tellurium atom is 128, that atom has a total of ___ subatomic particles inside the nucleus, and ___ subatomic particles outside the nucleus.
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The atom has a total of 52 subatomic particles inside the nucleus (protons and neutrons), and 76 subatomic particles outside the nucleus (electrons).
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