Elements in the periodic table are grouped as metals, metalloids or semimetals, and nonmetals. The metalloids separate the metals and nonmetals on a periodic table. Also, many periodic table have a stair-step line on the table identifying the element groups.
Quick Facts. Background. The Second Battle of the Marne marked the turning of the tide in World War I. It began with the last German offensive of the conflict and was quickly followed by the first allied offensive victory of 1918.
The First Battle of The Marne. The First Battle of the Marne was a World War I battle fought between September 6 and September 12, 1914, by Germany against the French and British forces. It marked the end of the German sweep into France and the beginning of the trench warfare which was to characterize the Great War.