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Among the bonds formed by a chlorine atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed between (1) H- cl
what groups comprise each block of elements(s,p.d and f blocks)in the periodic table
The maximum number of electrons which each sub-shell can occupy is: (1) 2n 2 (2) 2n (3) 2 (2l+1) (4) (2l+1) Ans: 2
catalytic property of nickel
There are 13 electrons in an element whose nucleus comprise 14 neutrons. Obtain atomic number and atomic weight of this element. If atomic weight of the isotope of above element is
(a) Using Lewis structures to describe your reasoning, describe why the following ions have different bond angles: ClO2 - and NO2 - (b) Given that the spatial arrangement of a
explain the construction of calomel electrode.explain how this electrode is used to determine the potential of an unknown electrode
The following cell is used for measuring the partial pressure of oxygen at 700 o C. (Pt) Cu 2 Cu 2 0 / 0.85 ZrO 2 - 0.l5 CaO / O 2 (Pt) Knowing that conduction through the
Uses of alkyl isocyanides Because of their unpleasant smell, alkyl isocyanides are utilized in detection of very minute leakage. Carbylamine reaction is utilized as a test for
To calculate the e.m.f of the cell when does the nelsons equation is use? Ans) The Nernst equation is useful to measure the e.m.f of the cell when the concentrations of solution
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