FUSTEL. Viallei allu ALOITIC SI Ulu
13
Select the correct answer.
An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?
A. 10
B. 20
C. 30
D. 0
E. 200

Respuesta :

B. 20 that’s the answer to your question

Answer:

B

Explanation:

correct on plato