Describe Potash Alum with Properties
Potash Alum is manufactured from alunite or alum stone. Potash Alum: K2 SO4. Al2 (SO4)3. 24 H2O From Alunite: Alunite or alum stone is K2…
Chemistry
What are the Characteristics of P-block Elements?
The p-block is on the right side of the periodic table and includes elements from the six columns beginning with column 3A and ending with…
Define the Magnetic Quantum Number which is Expressed by m
Magnetic Quantum Number (m): This quantum number describes the behaviour of the electron in magnetic fields. We know that the movement of electrical charge is…
What is Chromatography?
Chromatography is a separation process where any mixture of organic compound keep in steady phase and another mobile phase come into contact with that steady…
Describe Comparison between Rutherford’s and Bohr’s Model
Comparison between Rutherford’s model and Bohr’s model: (i) Rutherford describes the atom as a tiny dense, positivity charged cored called a nucleus, in which nearly…
Explain Limitation of Rutherford Model
The Rutherford model for the structure of atoms has several limitations which are given below: (i) This model was made analogous to the solar system…
What is the Nucleus of Atom?
The nucleus of Atom: The entire mass and positive charge are concentrated in a very small region at the centre of the atom known as…
Describe Difference between Main Energy Shell and Sub-Shell
Difference between Main energy shell and Sub-Shell Main energy shell i. Is a group of atomic orbitals with the same value of principal quantum number…
Explain Electronegativity Scale is Arbitary Scale in term of Mulliken’s Scale
In 1934, Mulliken suggested an alternative approach to electro negativity based on ionization energy and electron affinity of an atom. According to this method electro…
Explain Electronegativity Scale is Arbitary Scale in term of Pauling’s Scale
Pauling’s scale is based on an empirical relation between the energy of a bond and the electro negativities of bonded atoms. Consider a bond A-B…
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