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Between a proton and electron in a hydrogen atom = 3.16 x 10 47 A 0
The present atomic weight scale is based on: (1) C 12 (2) O 16 (3) H 1 (4)C 13 Ans: C 12
Ring-chain isomerism: This kind of isomerism is because of different modes of linking of carbon molecules, that is the isomers process either open chain or closed chain structu
Q. Consider a hypothetical system in which two aqueous solutions are separated by a semiper- meable membrane. Solution ? is prepared by dissolving 1.00 x 10 -5 mol KCl in 10.0 g
Q. What are boiler troubles? Discuss their consequences? Sol. Boiler feed water (water for steam making): water is very important engineering material which is mainly used fo
what is electronic configuration
why lanthanides and actinides are known as inner transition elements
Energy cycle or metabolism A cell has small molecules that are denoted as micromolecules also large molecules that is denoted as macromolecules. The chemical equations of a liv
formation of polyfunctional compounds
a nitrogen molecule travel at about 505 m/s at room temperature. find the velocity of a helium atom at the same temperature
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