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Radioactive Half-life

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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    방사성 반감기

    방사성 반감기

    by Whakuk Lee //at grade

    방사성동위원소의 반감기, 방사성 붕괴의 속도와 반감기의 차이

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