lillyoneal
lillyoneal lillyoneal
  • 19-05-2020
  • Physics
contestada

Thorium ____ has 90 protons and 137 neutrons.

Respuesta :

temitopefasola11
temitopefasola11 temitopefasola11
  • 19-05-2020

Answer:

Thorium 227 (also known as Radioactinium)

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