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.
Many of the deadliest battles occurred during WWI, including Ypres, Vimy Ridge, Somme and Gallipoli. Although thousands and thousands of soldiers died during these battles, they were all turning points for the Allied Forces in helping them win the first world war. On October 3, 1918, Germany requested a cease-fire.