Atomic no of Be is 4 so its electronic configuration is 2,2 or Is2 2s2 which is similar to Noble … More Why is First ionisation energy of Be is greater than B?
Electronic configuration How to fill electrons in orbitals and subshells? Three rules to be considered for writing electronic configuration. Aufbau … More Simple explanation of Electronic configuration
Story of becoming Ion: Atoms react to become stable by having 8 e in the outermost shell.For this reason they … More Story of becoming ion
Are you ready to do the following questions. You need to related the questions to elements. What do you do … More Funny questions in chemistry to Solve.
Nitrogen Occurrence Occur as free N2 molecules in the atmosphere (Approximately 78% by volume) Nitrogen molecule is very unreactive. (triple … More Nitrogen,Nitrogen Oxides and Ammonia
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 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 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 What leads to Rutherford,s Model Later discoveries that centre of an atom is positive and … More Rutherford’s Nuclear 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