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.
Marne, Second Battle of the (1918).Marne was the area west of Reims, France, in which the Germans made their greatest gains in World War I since the battle in the same area in 1914. On 15 June 1918, fourteen German divisions forced the Marne River against French and British armies.n the first battle (Sept. 6â9, 1914) the German advance on Paris was halted at the Marne by the Allies under Joffre, Gallieni, and Sir John French. The German retreat that followed signified the abandonment of the Schlieffen plan (see under Schlieffen, Alfred, Graf von).