This is the valence electron.
Alkali and Alkaline earth metals
Anything appearing on the periodic table is a pure element, not a compound or a mixture. Copper (atomic symbol is Cu), is located in the right side, middle region of the Periodic Table and is an element, a metal element.
Infrared spectroscopy is capable of providing a complex fingerprint region which is unique to the compound being examined. This allows the compound to be identified by matching its sample spectrum to the standard. Computer control of instruments also allows this to be readily carried out.
acres, agricultural region, alkali flat, alluvial plain
It maintained the balance of power in the region.
UP element
UP element
UP element
region
Region
the nucleus
Ruthenium