Periodic Trend: Atomic Radius
10. Periodic Properties of the Elements / Periodic Trend: Atomic Radius / Problem 1
A portion of a two-dimensional cleavage of a KBr(s) lattice is shown below:
![Illustration of a KBr lattice showing red and blue circles; question asks which circle represents K.](https://lightcat-files.s3.amazonaws.com/problem_images/4443bfba3edcf463-1661441784665.jpg)
Which circle represents K?
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