bellarif100 bellarif100
  • 30-10-2020
  • Chemistry
contestada

help pls i’ll give brainlest if it’s correct .

help pls ill give brainlest if its correct class=

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justsomerandomguy64
justsomerandomguy64 justsomerandomguy64
  • 30-10-2020

Answer:

A.) 64

Explanation:

The mass number is the number of protons and neutrons in the nucleus, so here there are 30 protons, and 34 neutrons, so the mass number is 64

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