" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Protones(P)= p
Numero de masa(A)=p+n
A= P+n
7= p+p+3
7=2p+3
4=2p
2=p
Nos piden el numero de neutrones
N=p+3
N= 2+3
N=5