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05-06-2017
Chemistry

contestada

How many neutrons exist in the isotope sodium-23?

Respuesta :

liljay3023 liljay3023

05-06-2017

it has 12 neutrons in it.

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JavierCollante JavierCollante

05-06-2017

to find the number of neutrons, take the atomic mass minus the atomic number

the mass is given in the question as 23. the atomic number you can find in the periodic table for sodium, which is 11.

neutrons= 23 - 11= 12 neutrons

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