Questions and Answers
Which statement correctly describes the atomic number?
A mole contains as many particles as there are protons in a carbon-12 atom.
Which statement correctly describes the atomic mass unit?
The atomic mass unit is equal to 1/12 of the mass of a carbon-12 atom.
Which statement correctly describes the molar mass?
The atomic number is equal to the atomic mass (in atomic mass units).
Samuel's average speed is 20 km/h. How long does it take Samuel to cycle 10 km?
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If Samuel applies a force of 40 N on his bicycle, what will be his average power if his average speed remains constant?
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If Samuel increases his average power to 300 W, how will this affect his average speed if the force remains constant?
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