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Cu2+ will have the following electronic configuration:
(1) 1s2, 2s2, 2p6, 3s2, 3p6, 3d10,
(2) 1s2, 2s2, 2p6, 3s2, 3p9, 4s1
(3) 1s2, 2s2, 2p6, 3s2, 3p6, 3d9,
(4) 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s1
Ans: 1s2, 2s2, 2p6, 3s2, 3p6, 3d9,
If molecular mass and atomic mass of sulphur are 256 and 32 respectively, its atomicity is: (1) 2 (2) 8 (3 )4 ( 4)16 Ans: 8
explain why carbon tetra-chloride does not dissolve in water?
In industries 653k is very low temperature so co is the best reducing agent.
Solid xenon forms crystals with a face centered unit cell that has an edge of 620 pm. 1. calculate the atomic radius of xenon. 2. calculate the packing efficiency if xenon. So
FTIR instrumentation
The maximum number of electrons accommodated in 5f orbitals are: (1) 5 (2) 10 (3) 14 (4) 18 Ans: 14
Formic Acid or Methanoic acid (HCOOH) Formic acid is the very first member of monocarboxylic acids series. It takes place in the sting of bees, wasps, red ants, stinging nettle
lithium and beryllium markedly differ from other members of their respstive groups
500-600 words
What are three modifications to a polymer that can make it transparent? How will these modifications affect the mechanical properties of the polymer?
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