The alkali metals, halogens and noble gases are three important groups in the periodic table. The alkali metals are soft, reactive metals. They react vigorously with water and become more reactive as you go down the group.The halogens are reactive non-metals.They become darker as you go down the group.he elements in group 1 are called the alkali metals. They belong to the left-hand column in the periodic table. They are very reactive and must be stored in oil to avoid contact with air or water.
Gaul (Latin Gallia, French Gaule) is the name given by the Romans to the territories where the Celtic Gauls (Latin Galli, French Gaulois) lived, including present France, Belgium, Luxemburg and parts of the Netherlands, Switzerland, Germany on the west bank of the Rhine, and the Po Valley, in present Italy.
The Colosseum is an ancient arena located in Rome, Italy. Its original name is the Flavian Amphitheatre, and it was in use from about 80 AD until 1349, when it was severely damaged in an earthquake.It was never rebuilt and is now an archaeological and tourist site.onfidence votes 698. The Colosseum is an ancient arena located in Rome, Italy. Its original name is the Flavian Amphitheatre, and it was in use from about 80 AD until 1349, when it was severely damaged in an earthquake. It was never rebuilt and is now an archaeological and tourist site.