Do you know !! What is resonance theory? Resonance Theory: According to resonance theory some molecules are represented by two or more than two structures and the actual structure is weighed average […]
Valence Shell Electron Pair Repulsion (VSEPR) Theory states
Do you know !! Theories of Covalent Bonds: There are three theories of covalent bonds. These are (i) VSEPRT, Resonance Theory, (ii) VBT and (iii) MOT. Valence Shell Electron Pair Repulsion […]
Electronic Configuration Rules | Chemistry Notes
Electronic Configuration: The distribution and arrangement of electrons in various shells, sub-shells and orbitals is called electronic configuration. Electronic configuration follows three rules. Auf Bau Principle: It states: “Electrons occupy shells in […]
Quantum Numbers Class 11 Chemistry Notes
Do you Know !! What is Quantum Number ? These are certain numbers which are used to locate electron in an atom or in other words these are address of electron. They […]
Schrodinger Equation
Schrodinger Wave Equation: In 1926, Erwin Schrodinger, a Austrian Physicist, developed an equation, which is given below and is called Schrodinger equation. Where E = total energy of electrons V = […]
Broglie’s Hypothesis Applications – Dual nature of Radiations
Important Applications of Broglie’s Hypothesis: De Broglie’s hypothesis is good enough to explain Bohr’s postulates. Bohr’s theory states that electron revolves only in orbits of particular radii and in an orbit […]
How to find Excess and Limiting reactants |Reagents | Chemistry
Do you know ! You can easily find excess and limiting reactants Firstly , you must know that !! What is Limiting reactant and excess reactant? Limiting Reactant Definition: The reactant which […]
Broglie’s Hypothesis: Dual nature of radiations
Louis de Broglie’s Hypothesis: (Dual nature of radiations) There arose a conflict about the nature of radiations. There were two schools of thoughts: (i) wave nature and (ii) particle nature […]
Moseley Experiment and Moseley’s Law : Statement and Mathematical Expression
Moseley Experiment : Henry Moseley in 1913 performed an experiment and showed that the frequencies of emitted x-rays increase regularly with the number of positive charges in the nucleus of target elements, […]
How to Calculate Molecular mass of a Compound
As mass of an element is the atomic mass similarly mass of molecule is called molecular mass of a compound. What is Molecular mass ? Molecular mass is defined as “ the […]
