Van Der Waal’s Forces- A Detailed Overview
It is the short-lived attractive force between any two molecules: ion-molecules, non-polar – non-polar molecules, polar-polar molecules, and polar-non-polar molecules. It is…
Grade 11 Chemistry
Notes
NEB Grade 11 Chemistry Syllabus
Detailed overview of NEB Grade 11 Chemistry syllabus of the new curriculum. Check out our Grade 11 chemistry notes of the new syllabus here. General…
NEB Grade 12 Chemistry Syllabus
Detailed overview of NEB Grade 12 Chemistry syllabus of new curriculum. Check out our Grade 12 chemistry notes of new syllabus here.…
Bioinorganic Chemistry
The branch of chemistry which deals with the study of inorganic substance in the biological and biochemical systems in terms of transport,…
Hybridization
It is a phenomenon of intermixing the orbitals with comparable energy of an atom to give entirely new orbitals equal in number…
Modern Chemical Manufactures
Some modern chemical manufactures are described below. Manufacture of ammonia by Haber’s process Principle: When a mixture of nitrogen and hydrogen in…
Fundamentals of Applied Chemistry
Applied chemistry is defined as the application of theories and principles of pure chemistry to practical purposes which are used in daily…
Atomic structure
Introduction to atomic structure: As far as the structure of the atom is concerned, the first attempt was made by John Dalton…
Resonance and VSEPR Theory
Resonance The phenomenon in which a molecule or ion cannot be represented by a single structure but represented by more than one…
Electronic Theory of Valency
Valence shell The outermost shell of an atom of an element is called the valence shell and the electrons present in this…
Classification of elements and periodic table
Modern periodic law and modern periodic table: In 1913, Henry Moseley discovered that elements are classified on the basis of atomic numbers…
Detection of Foreign Element
Introduction to detection of foreign element: All organic compounds contain carbon. There are no organic compounds without carbon. Hydrogen is usually present.…
