: Platforms like YaKlass offer lessons, tests, and assignments specifically tailored to the Grade 9 chemistry syllabus, covering atomic structure and non-metals.

: For quick review and exam preparation (OGE), KEDU provides "cheat sheets" and summaries of the Grade 9 curriculum.

You can read or download the (9 класс) textbook and solution manual (reshebnik) by I.I. Novoshinsky and N.S. Novoshinskaya online through several educational resources.