Определите валентность элементов в след. соединениях а) P2O5; б) H2S; в)SnCl4; г) PH3; д) Mn2O7; e) Na2O
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.