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
Naomi (given name) Naomi (given name) Naomi or Noemi is a given name in various languages and cultures. Naomi () is a feminine Jewish name of Hebrew origin. In Hebrew, it means "pleasantness" and was originally pronounced with the stress on the "a" (the "o" is a "hataf qamatz", marked with a "shva" to indicate that it is very short). In Judaism and Christianity, Naomi is Ruth's mother-in-law. Because Naomi appears in the Old Testament, this makes the name Naomi a Biblical name. , pronounced is a Japanese name. Though it is a unisex name, it is primarily used by females. Naomi can