Credit: JON BAUGH/SCIENCE PHOTO LIBRARY

Caption: Animation showing methane molecules. Each molecule is colour-coded to show its polarity. Methane is a symmetrical molecule, which makes it non-polar: there is separation of electric charge over its surface. This phenomenon means the individual molecules do not attract each other strongly, which is responsible for many of its physical properties, such as its low boiling point. Its boiling point, -161.5 degrees Celsius, is shown at bottom right. Compare this situation with that of the similar compounds water and ammonia, in clips K004 4333 and K004 4338.

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Keywords: atom, atoms, boiling point, bonding, bonds, bulk, carbon, ch4, chemical, chemistry, comparison, diagram, education, educational, explanation, gas, hydrocarbon, hydrogen, hydrogen bond, label, labelled, labels, methane, molecular, molecule, molecules, motion, moving, non-polar, physical, physics, properties, property, symmetrical, temperature, text

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Methane molecules

K004/4335 Rights Managed

Downloadable master

Duration: 00:00:20.01

Frame size: 1920x1080

Frame rate: 24

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 460.8M

Original

Capture format: QuickTime Animation

Codec: Animation

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