layla8371 layla8371

06-01-2020
Physics

contestada

How many protons are in an element with an atomic number of 8 and a mass number of 18?
18
10
8
3

Respuesta :

galacticpro105 galacticpro105

06-01-2020

Answer:

I believe the answer is 8

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Helpbook Helpbook

06-01-2020

Answer:

Number of Electrons = Number of Protons = Atomic Number

number of protons = atomic no = 8

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