05-01-2019
Physics

contestada

1. If the atomic number is 25, how many protons does it have?

2. If the atomic mass is 55 (rounded) and mass=protons+neutrons, how many neutrons does it have?

Respuesta :

Emma566 Emma566

06-01-2019

1. 25
2. 55-25 = 30

Hope this helps! :)

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