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water molecule

A molecule, consisting of one central oxygen atom and two hydrogen atoms along an angle of 104°, forming an electrostatic dipole because of the asymmetric distribution of charge. The dipole results in a high dielectric constant for water, whether in vapor, liquid, or solid form. Resonances in the intermolecular bonds result in absorption and emission of electromagnetic radiation at near- and thermal-infrared wavelengths, hence the importance of water vapor in the greenhouse effect in the atmosphere and water substance as precipitation in the scattering and absorption of radar waves.

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  • ส่วนหนึ่งของคำพูด: noun
  • อุตสาหกรรม/ขอบเขต: Weather
  • Category: Meteorology
  • Company: AMS

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