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The equation Δ x Δp ≥ h/ 4Π shows:
(1) de-Broglie relation
(2) Heisenberg's uncertainty principle
(3) Aufbau principle
(4) Hund's rule
ans: Heisenberg's uncertainty principle
Q. What is trial and error method? Trial and error method is the simplest methodology in product development. Only one ingredient in the formulation is changed at a time and it
Which of the following atoms and ions are isoelectronic i.e. have the same number of electrons with the neon atom: (1) F - (2) Oxygen atom (
Comment on the validity of the following statements, giving reasons: (a) Thermodynamically an exothermic reaction is sometimes not spontaneous. (b) The entropy of steam is mo
Chemical properties of monohydric alcohols Characteristic reaction of alcohol are the reaction of the - OH group. The reactions of the hydroxyl group includes either cleavage o
how redox reaction influencing in everyday life
What is the nature of urea? Is it acidic basic or neautral how can wr verify it?
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymer
The electronic configuration 1s 2 , 2s 2 , 2p 1 x , 2p 1 z : (1) Oxygen (2) Nitrogen (3) Hydrogen (4) Fluorine Ans: Nitrogen
bohr model for hydrogen atom?
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