SS3 ComputerS – Networking

SS1 Chemistry – Elements, Symbols, and Equations

CONTENT ELEMENTS AND SYMBOLS CLASSIFICATION OF ELEMENTS VALENCY   ELEMENTS AND SYMBOLS An element is a substance that cannot be split into simpler units by ordinary chemical processes. There are

SS2 Chemistry – Unsaturated Hydrocarbon (Alkenes)

CONTENT Nomenclature Preparation, Properties and Uses.   UNSATURATED HYDROCARBONS These are hydrocarbons in which carbon atoms join with each other by multiple bonds.  The multiple bonds can be double bonds