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  • 18-11-2020
  • Chemistry
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3. What identifies an element?
the mass number
the atomic number
the atomic mass
the number of neutrons

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Skylarjones9414
Skylarjones9414 Skylarjones9414
  • 18-11-2020

Answer: Atomic number

Explanation: Atomic numbers never change, they stay the same which is why they are what elements are identified by

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