: The bulk of the 9th-grade material focuses on detailed studies of specific groups:
: It introduces the laws governing chemical reactions and the theory of electrolytic dissociation—explaining how substances behave in solutions.
: Exploring the properties and compounds of elements like Halogens, Oxygen, Sulfur, Nitrogen, and Carbon.
: Analyzing the characteristics of different metal groups and their industrial significance. Purpose of the Manual and GDZ

