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Atoms with the different numbers of neutrons and same atomic number are known as isotopes. The chemical properties of an element are determined by wildly the charge on the nucleus,
Each element has a unique number of protons. This unique number is known as the element's atomic number . All atoms of a given element have the same atomic number. For example:
The amount of energy needed to convert one mole of solid substance to vapor state is known as Sublimation energy
WHAT CAUSES WIND
The number of electrons in the valence shell of calcium is: (1) 6 (2) 8 (3) 2 (4)4 Ans: 2
#questionWHY LANE''S PROCESS IS ALSO KNOWN AS VIVIFICATION PROCESS?..
Problem 1: Briefly describe about the stage of research prior to drug development. Definition of drug development Stage of research prior to drug development P
A liquid stream containing half n-hexane and half n-pentane at 80°C and 5 atm is fed at a rate of 100 mol/hr to a flash evaporator operating at pressure (P) and 65°C. The decrease
preparations of hydroquinone
principle of radiometric titration
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