7. Формула высшего оксида соответствует номеру элемента R2O5 :
А) 15;
B) 11;
С) 14;
D) 34.
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.