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 Second Battle of the Marne (French: Seconde Bataille de la Marne), or Battle of Reims (15 July â 6 August 1918) was the last major German offensive on the Western Front during the First World War.