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This of the following substances has giant covalent structure:
(1) Iodine crystal
(2) Solid co2
(3) Silica
(4) White phosphorus
Ans: Silica co2
The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
Li(s)+n2(G)
Calculating equilibrium constant
first two groups are metal but why hydrogen is placed in first group
derivation of schrodinger weve equation
Physical properties of Ethers - Boiling points and Solubility (a) Boiling points: Boiling points of ethers are very much lower as compared to those of isomeric alcohols, althou
Explain Newman projections The systematic name for "pullane" is 1,1-di-tert-butyl-2,4-diethylcyclopentane. Hence, structures B and C are Newman projections of the same compo
Semisynthetic polymers These polymers are mainly derived from naturally taking place polymers by chemical changes. Since cellulose is naturally taking place polymers, cellulose
what i am writing about this
Vacancies A vacancy is a lattice position that is vacant due to the atom is missing. It is formed when the solid is formed. Vacancies are simply empty atom site.
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