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The four quantum numbers of the outermost orbital of K (atomic no. =19) are: (1) n= 2, l= 0, m=0, s= +1/2 (2) n= 4, l= 0, m=0, s= +1/2 (3) n= 3, l= 1,
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In an electrochemical cell a redox reaction perform in two halves. Electrons are liberated by the oxidation half reaction at one electrode and go through an electrical circuit
Synthetic Detergents - Oils and Fats The synthetic Syndets or detergents are substitutes of soaps. They comprise cleansing power as good or better as compared to ordinary soaps
the value of charge on the oil droplets experimentally observed were -1.6*10-19 and -4*10-19coulomb. the value of the electronic charge,indicated by these results is
In naturally occuring neon, the fracional abundance of various isotopes is as follows: 20Ne =0.9051; 21Ne = 0.0027; 22Ne = 0.0922. What is the atomic mass of neon?
The freezing point of ethylene glycol is -3.2 degree-Celcius. How many grams of ethylene glycol is required in 150 L of water to achieve such temperature?
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Ions which have the same electronic configuration are those of: (1) Lithium and sodium (2) Sodium and potassium (3) Potassium and calcium (4) Oxygen and chlorine An
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