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.
Allied casualties during the 2nd Battle of the Marne were heavy: French (95,000), British (13,000) and United States (12,000). It is estimated that the German Army suffered an estimated 168,000 casualties and and marked the last real attempt by the Central Powers to win the First World War.