напишите пожалуйста валентности следующих хим. элементов :
H,Li,Be,B,C,N,O,F,Na,Mg,Al,Si,P,S,Cl,K,CA,Cr,Fe,Cu,Zn,Br,Ag,Ba,Au,Hg.
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2025 SCHOLAR.TIPS - All rights reserved.