02-certo átomo possui 17 prótons , 20 nêutrons e 17 elétrons . qual dos átomos e seu isotomo?
10
K
40


20
ca
42



21
sc
42



20
ca
40
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Lista de comentários


Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.