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Point imperfection: They are imperfect point-like regions in the crystal. One or two atomic diameters are the typical size of a point imperfection. A substitution impurity and an
balance the equation
The valence electron in the carbon atom are: (1) 0 (2) 2 (3) 4 (4) 6 Ans: 4
Addition reactions - Organic Chemistry Addition reactions are given by those compounds that have at least one p bond, i.e.,
The shape of s -orbital is: (1) Pyramidal (2) Spherical (3)Tetrahedral (4)Dumb-bell shaped Ans: Spherical
Volume of diatomic gas is less than the monatomic gas , although diatomic gas has 2 moles ( 2 times atomes) than monoatomic gas ?? Ans) The answer is derived by avogadros law
The set of quantum numbers n= 3, l=0, m=0, s= -1/2 belongs to the element: (1) Mg (2) Na (3) Ne (4) F Ans: Mg
chemical properties of protium,deuterium and tritium..
How many grams of NaCl will be produced when 2235 g of HCl are neutralized by an excess of NaOH according to the equation below? HCl + NaOH ---> H2O + NaCl
Write the electron configuration for Tl why do we use F block and how do i count the subshells in that case?
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