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
Agatha (given name) In 1924–1930, the name was included into various Soviet calendars, which included the new and often artificially created names promoting the new Soviet realities and encouraging the break with the tradition of using the names in the Synodal Menologia. Its diminutives include Agatka (), Aga (), and Gata (). Agatha (given name) Agatha also Agata, is a feminine given name derived from the Ancient Greek word ἀγαθός ("agathos"), meaning "good". It was the name of St. Agatha of Sicily, a third-century Christian martyr. The name has been rarely used in English-speaking countries in recent years. It was last ranked among