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How many neutrons are there in an atom of ?
Representative
An entity or individual that stands in or speaks on behalf of others.
Forewarned
Having prior knowledge or warning about a future event, often enabling preparation or prevention.
Empirical
Based on observation or experience rather than theory or pure logic, typically involving data collection and analysis.
Unifying Themes
Central ideas or motifs that bring together various elements of a story, theory, or research project into a cohesive whole.
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