Gas Density Small 123×320 Medium 245×640 Large 393×1024 Download Tiff Original 920×2400 | (169.7 KB) Description This illustration shows gas with a heavier density then air collecting at the bottom of a beaker. Keywords density, gas Galleries Chemistry Concepts and Lab Experiments Source: Alexander Smith, Intermediate Text Book of Chemistry (New York: The Century Co, 1920) 52