total pressure = ( 705 torr + 231.525torr) = 936.525torr
Gold is a chemical element with symbol Au (from Latin: aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal.
Because group 1a and 2a are most reactive due to their least number of electrons in their outmost shell compared to group 8a(18)
The symbol for copper is CU, which means copper cuprum, the Latin word for copper.
