Carbon dioxide, (CO 2 ), a colourless gas having a faint sharp odour and a sour taste. The bend and asymmetric Both carbon and oxygen contain p orbitals that are able to interact based on symmetry compatability. One is that CO 2 is very stable, which means it takes extra effort to activate the molecule so it will react. Carbon Dioxide is important for plants during their process of photosynthesis. Find the perfect Carbon Dioxide Molecule stock photos and editorial news pictures from Getty Images. Valence bond (VB) theory predicts four bonds for carbon and two for each oxygen. Because Earth’s surface is much warmer than space, most of the carbon dioxide on earth melted and became a gas – the molecules of carbon dioxide float in the air. The chemical formula is CO 2, and it is a colourless gas. Although much less abundant than nitrogen and oxygen in Earth's atmosphere, carbon dioxide is an important constituent of our planet's air.A molecule of carbon dioxide (CO 2) is made up of one carbon atom and two oxygen atoms.. Less than one percent of our air is carbon dioxide, but it is very important for all living things on Earth. Carbon dioxide is a well studied molecule. Its melting point is -57 degrees Celsius. Carbon dioxide (CO2) is one of the major greenhouse gases causing global warming. Carbon dioxide is a colorless and non-flammable gas at normal temperature and pressure. Select from premium Carbon Dioxide Molecule of the highest quality. The molar mass for it is 44.0095g/mole. Hence the molecule has a linear geometry. Its appearance is a colorless gas. Splitting carbon dioxide (CO 2) into carbon and oxygen can in fact be accomplished, but there is a catch: doing so requires energy. Such molecules obey the exclusion rule, “In a centrosymmetric molecule no Raman-active molecule is also infrared-active and no infrared-active vibration is also Raman active.”2 The symmetric stretching vibration is Raman active and infrared inactive. Equipartition Carbon dioxide and solids Carbon dioxide is a linear molecule meaning that it consists of an oxygen on either side of the carbon molecule in a straight line. The molecular weight of carbon dioxide is 44 g mole-1. Carbon dioxide is a triatomic molecule having one carbon atom and two oxygen atoms. Carbon dioxide is a covalent compound comprised of three atoms, carbon surrounded by two oxygens. It is one of the most important greenhouse gases linked to global warming, but it is a minor component of Earth’s atmosphere (about 3 volumes in 10,000), formed in combustion of carbon -containing materials, in fermentation, and in respiration of animals and employed by plants in the photosynthesis of carbohydrates. 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