States of matter Atoms, elements and compounds Stoichiometry Electrochemistry Chemical energetics Chemical reactions Acids, bases and salts The Periodic Table Metals Chemistry of the environment Organic chemistry Experimental techniques and chemical analysis
Month: July 2022
Physical chemistry Atomic structure Atoms, molecules and stoichiometry Chemical bonding States of matter Chemical energetics Electrochemistry Equilibria Reaction kinetics Inorganic chemistry 9. The Periodic Table: chemical periodicity 10. Group 2 11. Group 17 12. Nitrogen and sulfur Organic chemistry 13. An introduction to AS Level organic chemistry 14. Hydrocarbons 15. Halogen compounds 16. Hydroxy compounds …
•When substances change their properties such as change of state, solubility, shape, or form, these changes are called physical changes. •When a new substance is formed with different compounds and properties, this change is called a chemical change. •And, the reaction that makes this change is called a chemical reaction. Physical changes Chemical changes No …