Al8ejo5anasoccorn Al8ejo5anasoccorn

16-10-2016
Chemistry

contestada

Which of the following isotopes has the same number of neutrons as phosphorus – 21 (atomic number 15)
a. 32/15 p
b. 32/16 s
c. 29/14 si
d. 28/14 si?

Respuesta :

Beth1309 Beth1309

16-10-2016

The number of neutrons in phosphorus-21 is 16 (21-15).

Therefore the answer is B. Sulfur-32 also has 16 neutrons (32-16).

Hope this helps :)

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