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Fill in the blanks choosing appropriate words given in brackets :(Sodium chloride, Caesium chloride, copper, diamond, graphite, ions, atoms, close, 74%, 68%.
Crystals of ....... and ............. have face centred cubic lattices.

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To solve the question, we need to identify which substances from the given options have face-centered cubic (FCC) lattices. ### Step-by-Step Solution: 1. **Understanding Face-Centered Cubic Lattice:** - A face-centered cubic (FCC) lattice is a type of crystal structure where atoms are located at each of the corners and the centers of all the cube faces. 2. **Analyzing the Given Options:** ...
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