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Atom 1 has 19 electrons 19 protons and 20 neutrons atoms 2 has 19 electrons , 20 neutrons and 19 protons
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Atom 1 has 19 electrons 19 protons and 20 neutrons atoms 2 has 19 electrons , 20 neutrons and 19 protons

User Rachelle Uy
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Answer:

Atom 1: Potassium (K)

Atom 2: Same thing

Step-by-step explanation:

Potassium has an atomic number of 19 and mass number of 39.0983.

User Zahlii
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