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What is the correct formula for the compound formed between sodium and selenium based on their positions in the periodic table?
First Date
An initial social meeting between two individuals, often with romantic intentions, to assess mutual compatibility.
College
An educational institution offering undergraduate degrees and, in some cases, master's degrees, focused on a broad spectrum of academic disciplines.
Monthly Memory Tests
Periodic assessments conducted every month to evaluate an individual's memory retention and recall abilities.
First-Time
Experiencing, encountering, or undergoing something for the very first time.
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