Amedeo Avogadro Amedeo Avogadro Amedeo Carlo Avogadro, () Count of Quaregna and Cerreto (9 August 17769 July 1856), was an Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules. In tribute to him, the number of elementary entities (atoms, molecules, ions or other particles) in 1 mole of a substance, , is known as the Avogadro constant, one of the seven SI base units and represented by "N". Lorenzo Romano Amedeo Carlo Avogadro was born
Same-sex marriage in the United States Hodges" ended all inter-state legal complications surrounding same-sex marriage, as it orders states to both perform the marriages of same-sex couples and to recognize the marriages of same-sex couples performed in other states. According to the federal government's Government Accountability Office (GAO) in 2004, more than 1,138 rights and protections are conferred to U.S. citizens upon marriage by the federal government; areas affected include Social Security benefits, veterans' benefits, health insurance, Medicaid, hospital visitation, estate taxes, retirement savings, pensions, family leave, and immigration law. Since July 9, 2015, married same-sex couples throughout the United States have equal access to all