Accompanying Lesson Plan: Lesson 3.2: Finding Volume—The Water Displacement Method The chart shows that atomic size and mass for the first 20 elements in the periodic table. The size of the atoms and ...

Density is a characteristic property of a substance and doesn’t depend on the amount of substance. Note: We are purposely using the terms “size” and “amount” instead of “volume” in discussions of ...

The density of an object or substance is its mass divided by its volume: Density = Mass ÷ Volume. The units of density depend on the units used for mass and volume, but are usually: g/cm³ (if ...

A piece of aluminium has a mass of 200 kg and a volume of 0.074 m 3. Calculate its density in kg/m 3, to two significant figures. The kilogram (kg) is the standard unit for mass. The cubic metre ...