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Interfacial Defects
Grain boundaries are interfaces where crystals of dissimilar orientations meet. A grain boundary is a single-phase interface, with crystals on each n every side of the boundary being identical except in orientation. The term "crystallite boundary" is sometimes, though rarely, used. Grain boundary areas having those atoms that have been perturbed from their original lattice sites, dislocations, and impurities that have migrated to the lower energy grain boundary.
two equivalent - one equivalent
1. The pH of a 0.02 M solution of an acid was measured as 4.6. a) What is the [H + ] of the solution? b) What is the acid dissociation constant K an
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Atoms in the water molecule are linked by: (1) Electrovalent bond (2)Covalent bond (3) Coordinate covalent bond (4) Odd electron bond Ans: Cov
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WHAT IS MEANT BY QUANTUM?
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alkali metals belong to s-block in the periodic table ,why?
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The total number of electrons that can be accommodated in all the orbitals having principal quantum number 2 and azimuthal quantum number 1 is: (1) 2 (2) 4
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