Andy100100 Andy100100
  • 25-10-2020
  • Biology
contestada

What does the number 84 in krypton-84 represent

A.the sum of protons and electrons.
B.the mass number.
C.the atomic number
D.twice the protons.

Respuesta :

gabiperez gabiperez
  • 25-10-2020
B. The mass number, also known as the atomic weight/atomic mass
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