Introduction to Chemistry – Definition, Branches and Importance

Chemistry is the branch of science that deals with the composition, properties, structure, and transformations of matter. It is often referred to as central science because it connects and interacts

SS1 Chemistry – Chemical Combinations

CONTENTS   (a) Types of chemical bonds (b) IUPAC system of naming inorganic compounds.   PERIOD 1: PERIODIC TABLE (FIRST 20 ELEMENTS) Chemical combination: The atoms of noble gases e.g.,

SS3 Biology – Liver & Skin: Structure, Functions, Diseases, and Care