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can you describe how the valance shell electron configuration affectst the reactivity of the elements in the lanthanides and actinides series?
Number of unpaired electrons in inert gas is: (1) Zero (2) 8 (3) 4 (4) 18 Ans: Zero
Product Optimization Sensory analysis during this phase of product development is critical and includes extensive evaluation with many kinds of tests, each playing a specific
What is the packet of energy called: (1) Electron (2) Photon (3) Positron (4)Proton Ans: Photon
What is happen whenever H2SO4+HNO3 adding to the phenol.give the reaction Ans) Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.
Position isomerism: It is due to the difference in the position of the substituent atom or group or an unsaturated linkage in similar carbon chain. A. Carboxylic, aldehydes
what groups comprise each block of elements in the periodic table?
Every substance poses exact amount of energy known as internal energy or intrinsic energy (E).
The shape of P -orbital is : (1) Elliptical (2) Spherical (3) Dumb-bell (4) Complex geometrical Ans: Dumb-bell
what is meant by polarizability
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