Methane molecule
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Credit: DR TIM EVANS/SCIENCE PHOTO LIBRARY
Caption: Methane molecule. Computer model of a methane molecule (CH4). Atoms are represented as spheres and are colour-coded: carbon (green) and hydrogen (white). Methane, an alkane, is a colourless, odourless gas. It is the chief constituent of natural gas, which is used as a fuel. It can be formed by the decay of vegetable matter. When released into the atmosphere, methane helps to trap the heat of the Sun, acting as a greenhouse gas and contributing to global warming.
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Keywords: alkane, artwork, atom, atomic, ball-and-stick, ch4, chemical, chemistry, computer artwork, computer model, entropy, flammable, fuel, global warming, greenhouse, greenhouse gas, hydrocarbon, methane, molecular, molecular model, molecule, natural gas, one, rotation, single, structural, structure, tetrahedral symmetry
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