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Atom X has an atomic number 79 and an atomic mass of 197. Atom Y has an atomic number of 76 and an atomic mass of 197. Atom Z has an
atomic number of 79 and an atomic mass of 200. What two atoms are considered to be the same element and why?

Respuesta :

matthew7781

Answer:

atom x and atom z

Explanation:

because they have the same atomic number meaning that they have the same amount of protons. protons are what determine what type of atom it is.

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