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.
Its [Marne's] loss by Germany meant the failure of the entire Schlieffen plan; the end of any prospect of a short war. 3 A short war was basically what the entire German military was counting on as the only way to win the war.