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.
Roman Empire. The Roman Empire (Latin: imperium romanum) was the largest empire of the ancient world. Its capital was Rome, and its empire was based on the Mediterranean. The Empire dates from 27 BC, when Octavian became the Emperor, Augustus. The empire was the third stage of Ancient Rome. Rome was first ruled by Roman kings, then by the Roman Republic, then by an emperor. Many modern lands were once part of the Roman Empire, including Britain (not Scotland), Spain, Portugal, France (Gaul), Italy, Greece, Turkey, Germany, Egypt, Levant, Crimea, Switzerland,and the north coast of Africa.