Density Is an Easy Way to Distinguish Between Gold (Density

Multiple Choice

Density is an easy way to distinguish between gold (density: approx. 19 g/cm³) , fool's gold (density: approx. 4.5 g/cm³) , and sand (density: approx. 2.5 g/cm³) . If a large golden rock has a mass of 252 g and a volume of 56 cm³, which type of mineral is it?

A) gold
B) fool's gold
C) sand
D) none of these