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Q. How to calculate atomic number?
Atoms have no net electrical charge for the reason that they contain equal numbers of electrons and protons. Therefore positive charges (protons) and negative charges (electrons) balance out. Protons, Electrons and atomic number are related as follows.
Atomic number = number of protons = number of electrons
As already discussed, the reduction of the metallic oxide usually heating it with some reducing agent such as carbon, carbon monoxide, hydrogen or some other metal. The reducing ag
radioactive decay order
Properties of Nitrophenols: O-Nitrophenol is a yellow in colour crystalline compound, whereas m- and p-isomers are colourless crystalline compounds. Isomer orth
Q. Show the Extraction of Oxygen? Oxygen is separated from air on a large scale by the fractional distillation of liquid air. It is obtained as a by-product along with hydrogen
Structure of liquids: Liquids have a limited degree of short-range order and are most adequately described in terms of a radial distribution function. The probability of findin
Permanganate titrations - Oxidation reduction titrations These are titrations where potassium permanganate is utilized as an oxidising agent in acidic medium. The medium is org
The table below gives intrinsic viscosity values determined by viscometry and weight- average molar mass values determined under the same conditions by static light scattering
Initially 5 mol of an ideal gas with Cv,m=12.5 J K^-1 mol^-1 are at a volume of 5 dm^3 and a temperature of 300K. If the gas is heated to 373 K and the volume changed to 10 dm^3, w
1. For what fraction of annual CO 2 emissions from fossil fuel burning are automobiles responsible? 2. A 1000-kg car travels 1.6 × 10 4 km/yr. What is the ratio of the mass of
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