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CARBON, SILICON AND GERMANIUM With the valence electron configuration s 2 p 2 the nonmetallic group of elements 14 may form compounds with four tetrahedrally directed covalent
Discuss "cohesive energy" and "electron affinity". ‘Cohesive energy’: In a chemical bond, it’s the energy required to dissociate a solid into isolated atoms or molecules as ap
Q. What are the uses of Oxygen? Oxygen is essential for life. Most life processes are based on oxidative metabolism: While the terrestrial beings take up oxygen through respira
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The four quantum number for the valence shell electron or last electron of sodium (Z = 11) is: (1) n =1, l= 1, m= -1, s= -1/2 (2) n =3, l=0, m=0, s= +1/2 (3) n =3,
(a) Derive a relationship between the elevation in boiling point of a solution and the mole fraction of the solute from the thermodynamic consideration. (b) The molal elevatio
Write the structures of monomers used in the preparation of: a. Teflon b. PMMA
what are the chemical reactionsof the p-block elements
How much air (volume composition: 21% of oxygen and 79% of nitrogen) is used up in this process? Assume that oxygen and nitrogen behave like ideal gases. The products a
types of funtional group
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