Ammonium (NH4+) is a group of atoms that behave like an alkali metal. It is found ionized in various salts, such as ammonium bicarbonate and ammonium chloride.
Ammonium has been isolated in amalgam, but not as a solid metal.
... (2,045.6/mi²). The racial makeup of the town is 88.27% White, 3.90% African American, 0.20% Native American, 2.13% Asian, 0.05% Pacific Islander, 3.49% ...