+7 (727)
344 95 95
Please email us
English
Русский
Қазақша
Subscribe
Profile
Subscription
Balance
Watch history
My library
Notifications
My contests
Поурочные планы
Logout
Русский
Қазақша
Online Mektep
Authorization
Home
Subjects
Contests
Subscribe
Chemistry course
Main
Courses on International standards
Chemistry course
Inorganic Chemistry
Most viewed lessons
Metals and Nonmetals
Alkaline-Earth metals
Acids (1)
Properties of water
Разделы
34
lessons
Periodic Table of elements
11
lessons
Metals
7
lessons
Nonmetals
4
lessons
Inorganic compounds
Reviews