The science says the radius shrinks across a period because the pull from the nucleus gets stronger, but then it jumps bigger at sodium because a whole new electron shell starts, like adding a new outer room to a house. But child, in my life, things don't always shrink neatly under pressure—sometimes they must expand to make space, like my budget stretching to fit your dreams. It reminds me of our weavers' threads: pulled tight for a pattern, then released for the border.
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