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Write the maximum possible coordination number of an atom in an hcp crystal structure of an element?
Illustrate the formula relating pressure of a gas with its mole fraction in a liquid solution in contact with it.
Which one of the following configuration represents a noble gas: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , (2)1s 2, 2s 2, 2p 6 , 3s 1 (3) 1s 2 , 2s 2 , 2p 6 ,
The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state 1, would be (Rydberg constant 1.097 x 10 7 m -1 ) (1) 406 nm
what is solid
The lactone, a cyclic ester, can form an enolate ion, and this ion is alkylated by methyl iodide.
what are the topics which are covered under the assignment of de broglie hypothesis?
How do we extract group one alkali metals?
Out of the following, which compound will have electrovalent bonding: (1) Ammonia (2) Water (3) Calcium chloride (4) Chloro
Radioactive decay is a process whereby unstable nuclei change into more stable nuclei by emitting particles of different kinds. Alpha, beta and gamma (α, β and γ) radiation was cla
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
Number of nodal centres for 2s orbital: (1) 1 (2) 0 (3) 4 (4) 3 Ans: 1
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