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In this lesson, we will learn how to define an SI unit (Système Internationale d'Unités) and differentiate between a base unit and a derived unit.
Q1:
Which of the following is not an SI unit?
Q2:
Many chemistry conferences have held a 50-trillion angstrom run. How long is this run in meters? (1 Å = 1 × 1 0 m)
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