To show the formation of cation and anion using atomic orbital model. Example – Na, Mg, O, CI. Use colored woollen thread, beads, clay to stick, wire to represent the elements. please give me idea to how to make this with colored woollen thread, beads, clay to stick, wire
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Answer :
Let A be the divalent ion and B be the trivalent ion.
In ccp unit cell the effective number of atoms occupying lattice points is-
8×81+6×21=1+3=4
Therefore,
No. of O2− ions =4
Given that ion A occupies 1/8th of octahedral void.
Therefore,
No. of A ions =81×8=1
Also given that ion B occupies half of tetrahedral void.
Therefore,
No. of B ions =21×4=2
A:B:O=1:2:4
Therefore,
formula of oxide =AB2O4
Hence the formula of oxide is AB2O4.
Hence, Option "D" is the correct answer.
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