Chemisty Help True or Flase Questions?

Atoms that have the same number of neutrons but different numbers of protons are called isotopes.





The mass number of a nucleus represents the number of protons in the nucleus.Chemisty Help True or Flase Questions?
False





FalseChemisty Help True or Flase Questions?
False.





False





Both are false!





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1. False. An isotope has the same atomic number of protons and different number of neutrons. Then, it has the same atomic number, but a different atomic mass.





2. False. The atomic mass is the sum of the number of protons and neutrons in a nucleus.