What is the coordination number of atoms in :
(a) fcc structure (b) bcc structure ?
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What is the mass of (a) 1 mole of nitrogen atoms? (b) 4 mole of aluminium atoms (Atomic mass of aluminium = 27)?
(a) The mass of 1 mole of nitrogen atoms is 14g. (b) The mass of 4 moles of aluminium atoms is (4 × 27)g = 108g (c) The mass of 10 moles...
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A sample of vitamic C is known to contain 2.58 ×1024 oxygen atoms. How many moles of oxygen atoms are present in the sample?
1 mole of oxygen atoms = 6.023×1023 atoms ∴Number of moles of oxygen atoms = 2.58 ×1024 / 6.022×1023 ...
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Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of same weight
(a) Mass of sodium atoms carried by Krish = (5 × 23) g = 115 g While mass of carbon atom carried by Raunak = (5 ×12) g = 60g...
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What is the co-ordination number of cation and anion in Caesium chloride (bcc arrangement) ?
your the answer 8 and 8.
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What is the coordination number of atoms in :
your the answer (a) 12 (b) 8
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Calculate the number of atoms in a cubic unit cell having one atom on each corner and two atoms on each body diagonal.
8 corner × 1/8 atom per unit cell = 1 atom There are four body diagonals in a cubic unit cell and each has two body centre atoms. So, 4 × 2...
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(i) What is meant by the term 'coordination number'? (ii) What is the coordination number of atoms:
(i) The number of nearest neighbours of any constituent particle present in the crystal lattice is called its coordination number. (ii) The coordination number of atoms (a) in a cubic close-packed structure...
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In the formation of the compound XY, atoms of X lost one electron each while atoms
The atoms of X lose electrons whereas the atoms of Y gain electrons. Thus, there is transfer of electrons from atoms of X to atoms of Y. The bond formed...
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What is the coordination number of atoms: i. in a cubic close-packed structure? ii. in a body-centred cubic structure?
i. The coordination number of atoms in a cubic close-packed structure is twelve. ii. The coordination number of atoms in a body-centred cubic structure is eight.
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Na and Mg crystallize in bcc and fcc type crystals respectively,
(d) : bcc - Points are at corners and one in the centre of the unit cell. Number of atoms per unit cell = 8 x 18 + 1 = 2. fcc...
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