Writing Equations Revision Notes IGCSE Chemistry
Writing Word Equations & Balanced Equations Step 1: Identify reactants and products and place them in a word equation. Step 2: Convert the chemical names into chemical formulas.…
Stoichiometry Revision Notes IGCSE Chemistry CIE
Symbols & Formulae Stoichiometry deals with the application of the laws of definite proportions and of the conservation of mass and energy to chemical activity For eg; when…
Metallic Bonding Revision Notes IGCSE Chemistry CIE
Metallic Bonding metallic bond is a force that holds atoms together in a metallic substance. Such a solid consists of closely packed atoms. In most cases, the outermost…
Macromolecules IGCSE Chemistry CIE Revision Notes
Giant Covalent Structures A giant covalent structure is a three-dimensional structure of atoms that are joined by covalent bonds. Allotropes are different forms of the same element, in the…
Covalent Bonds IGCSE Chemistry CIE Revision Notes
Single Covalent Bonds A single covalent bond is formed when only one pair of electrons is shared between atoms. A sigma bond is the strongest type of covalent bond,…
Ions & Ionic Bonding
The Formation of Ions Ions are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions; by combination…
The Structure of Matter (Bonding)
The Structure of Matter (Bonding) Types of Substance & Properties All substances can be classified into one of these three types Elements, compounds and mixtures Element A substance…
GATE / CSIR NET Thermodynamics MCQ mock test
under construction(check answers with books/references till we update)…
Atomic Structure & the Periodic Table
Protons, Neutrons & Electrons ( IGCSE Chemistry CIE Revision Notes ) Elements are made of tiny particles of matter called atoms Each atom is made of subatomic particles called protons, neutrons and electrons…
Experimental Techniques : Measurement & Purity
Time, Temperature, Mass & Volume Time Time can be measured using a stopwatch or stopclock which are usually accurate to one or two decimal places The units of…