Month: October 2016

Solution

Solution Solution- It is a homogeneous mixture of solute and solvent. Solute is the one which get dissolved in other … More Solution

Bohr’s Model of Atom

Bohr’s Model of Atom What leads to Bohr,s Model? When electrons revolve around the centre(nucleus),they lose energy and their path … More Bohr’s Model of Atom

Gold foil-alpha particle scattering experiment

Gold foil -alpha particle scattering experiment What was Gold foil-alpha particle  scattering experiment? He bombarded alpha particles(Helium nucleus-Positive) on thin … More Gold foil-alpha particle scattering experiment

Rutherford’s Nuclear model of Atom

 Rutherford’s Nuclear model of Atom  What leads to Rutherford,s Model Later discoveries that centre of an atom is positive and … More Rutherford’s Nuclear model of Atom

Thomson’s model of Atom

 Water Melon model of Atom – Thomson Thomson,s Model  He proposed that an atom is mass of solid positive sphere … More Thomson’s model of Atom

Dalton’s Atomic theory

 Dalton’s Atomic theory   Matter is made up of tiny particles called atoms. Atom is indivisible which means it can … More Dalton’s Atomic theory

How to prepare for exams to get good marks and grades ?

How to prepare for exams to get good marks and grades ? It is not too late to start preparation for … More How to prepare for exams to get good marks and grades ?

How to decide Oxidation state of an element in a compound or ion?

Simple rules for oxidation number/state  Sum of Oxidation states of atoms in a compound is always zero.For example H2O =(1×2) … More How to decide Oxidation state of an element in a compound or ion?

Story of Physical and chemical change-A day of Tejasvi

A day of Tejasvi  In the morning Tejasvi awoke and searched his mom who was boiling eggs in a vessel. … More Story of Physical and chemical change-A day of Tejasvi

How to be an efficient teacher?

The Ten Qualities of an Efficient Teacher: Good teachers are made up of a combination of qualities that allow them … More How to be an efficient teacher?