Worksheet: SI Units and Base Units

In this worksheet, we will practice defining an SI unit (Système Internationale d'Unités) and differentiating between a base unit and a derived unit.

Q1:

Which of the following is not an SI unit?

  • AJoule
  • BKelvin
  • CMole
  • DPint
  • EMeter

Q2:

Many chemistry conferences have held a 50-trillion angstrom run. How long is this run in meters, recalling that 1 Å = 1×10 m?

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