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Number of unpaired electrons in 1s 2 2s 2 2p 3 is: (1) 2 (2) 0 (3) 3 (4) 1 Ans: 3
What wieght of CO is required to form re2(CO)10 from 2.5 gm of re2(O)7
A covalent bond between two atoms is formed by which of the following: (1) Electron nuclear attraction (2) Electron sharing (3) Electron transfer (
perkin ring clousre reaction
Q. What happens to the energy values of d- orbitals? Let us see what happens to the energy values of d- orbitals under these stages. We start with the energy level diagram of a
metals iron, aluminium, copper, gold, etc. have great industrial significants. which are their important ores? important alloys of iron, aluminium and copper and their uses.
Nitro alkanes and alkyl nitries (preparation and properties)
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Why transition elements form interstitial compound
Low-grade phosphate rock can be upgraded by flotation processing. In this process the low-grade rock is grounded into a powder and suspended as a water slurry. The addition of smal
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