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  • 17-11-2017
  • Chemistry
contestada

give the number of protons, electrons, and neutrons in the following atoms a. 90Zr b. 202Hg c. 58Ni d.222Rn

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ejackdopn ejackdopn
  • 03-10-2019

Answer:

are those numbers the atomic mass?

Explanation:

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