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Q. Study of Elements of group 16? We shall discuss Group 16 elements, viz., oxygen, sulphur, selenium, tellurium and polonium. These elements are called chalcogens or the ore f
Q. Why we use Boron? Boron is used to increase the hardness of steels. Crystalline boron is used in transistors. Boron is a good neutron absorber and is used as shields and con
Valence electron of pd Pd has ten valence electrons in the neutral atom. There are no charges and no X-type ligands in the complex; as, this is a d 10 complex.
Physical properties of Alkyl cyanides (1) Alkyl cyanides are neutral substance with pleasant odour, similar to bitter almonds. (2) Alkyl cyanides are Lower members containin
Q. Quantum Mechanical Model of the Atom? Ans: Using quantum mechanics, scientists realized that the exact location of an electron could not be determined. Instead, only the p
Classification of proteins - Conjugated proteins The molecules of conjugated proteins are made up of simple proteins and non protein material. The non-protein material is known
Line Spectru- A emission spectrum that contains very sharp peaks (Prism Like Structure) , corresponding to transitions between states in free atoms.For example, the line spectrum o
describe valence bond theory and its limitations
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The set of quantum numbers n= 3, l=0, m=0, s= -1/2 belongs to the element: (1) Mg (2) Na (3) Ne (4) F Ans: Mg
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