The 3rd edition usually covers key 8th-grade topics such as: and chemical bonding.
(oxides, acids, bases, and salts). Chemical reactions and their types. Solutions and properties of hydrogen/oxygen. gdz k porverochnym rabotam po khimii 8 klass 3-e izdanie
While the full text of all solutions is protected by copyright, you can access the answers through several specialized educational platforms: The 3rd edition usually covers key 8th-grade topics