Hydrogen compounds are only required to contain carbon. However, most of them also contain hydrogen, and because it is the carbon-hydrogen bond which gives this class of compounds most of its particular chemical characteristics, carbon-hydrogen bonds are required in some definitions of the word "organic" in chemistry. Millions of hydrocarbons are known, and they are usually formed by complicated synthetic pathways that seldom involve elementary hydrogen. Compounds of hydrogen are often called hydrides, a term that is used fairly loosely. The term "hydride" suggests that the H atom has acquired a negative or anionic character, denoted H, and is used when
Mina (given name) eyes), and is commonly used by South Indian Hindus. Nasrani Christians from Kerala and Parsees might use this name due to their ancient Persian heritage (Mina is a commonly used female name in Iran). See Meena (disambiguation) Mina is a Japanese feminine given name. It may be written various ways in kanji, including , , and . Mina, Meena, and Minah are various Roman alphabet spellings of two homophonous Korean feminine given names with different hangul spellings. The meaning differs based on the hanja used to write each syllable of the name. For the name Min-a (민아), there are 27