Carbon–hydrogen bond C−H bond is generally regarded as being non-polar. In structural formulas of molecules, the hydrogen atoms are often omitted. Compound classes consisting solely of C–H bonds and C–C bonds are alkanes, alkenes, alkynes, and aromatic hydrocarbons. Collectively they are known as hydrocarbons. In October 2016, astronomers reported that the very basic chemical ingredients of life—the carbon-hydrogen molecule (CH, or methylidyne radical), the carbon-hydrogen positive ion (CH+) and the carbon ion (C+)—are the result, in large part, of ultraviolet light from stars, rather than in other ways, such as the result of turbulent events related to supernovae and young stars, as
Kiri (given name) Kiri (given name) Kiri is a given name appearing in various cultures. In Māori, "kiri" means "skin", "bark", or "rind". In Korean, the meaning of the name differs based on the hanja used to write each syllable of the name; there are 68 hanja with the reading "ki" and 26 hanja with the reading "ri" on the South Korean government's official list of hanja which may be registered for use in given names. In Finland, Kiri (male) name is listed in Finnish orthodox calendar. The name is a short version of Kyriakos (Saint Cyriacus the Anchorite. Notable people with the