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The edge length of a face of crystalline...

The edge length of a face of crystalline barium is 0.42 nm. Calculate the diameter of an atom of the metal.

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To solve the problem of calculating the diameter of a barium atom given the edge length of its face-centered cubic (FCC) structure, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the structure of barium**: Barium crystallizes in a Body-Centered Cubic (BCC) structure. 2. **Understand the relationship between edge length and atomic radius**: ...
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