5. Визначіти валентність елементів у бінарних сполуках : a) Li2S, Al2S3, BaS, Na2S, PbS, Fe2S3, MgS, Li,0 BaO, Fe2O3 б) Cu2O, CuO, FeO, Fe2O3, P2O5, PH3, Pb, Pbо,​
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.