bosslady401 bosslady401
  • 11-10-2017
  • Chemistry
contestada

If an isotope of oxygen (O) has 1 less neutron, how many electrons does it have?

and
If an isotope of sodium (Na) has 2 extra neutrons, what is it’s atomic weight?

Respuesta :

ashleigh10 ashleigh10
  • 11-10-2017
The oxygen isotope has the same amount of elextrons (8 electrons)

The atomic mass of the oxygen isotope would be 25
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