=. soluble. ammonium phosphate, (NH 4) 3 PO 4, is soluble. +. any other cation. =. low solubility (insoluble). magnesium carbonate, MgCO 3, is insoluble. 1  All compounds of the ammonium ion (NH 4 +), and of Alkali metal (Group IA) cations, are soluble. 2  All nitrates and acetates (ethanoates) are soluble. 3  All chlorides, bromides and iodides are soluble EXCEPT those of silver, lead and mercury(I).
The period of the Warring States (Zhanguo or Chan-Kuo) refers to the era of about 475 BCE to 221 BCE. It commenced at a time of when the numerous petty city-state kingdoms of the Spring and Autumn period had been consolidated into seven major contenders and a few minor enclaves. The above map shows a delineation of the states.
The First World War (WWI) was fought from 1914 to 1918 and the Second World War (or WWII) was fought from 1939 to 1945.They were the largest military conflicts in human history. Both wars involved military alliances between different groups of countries.orld War II (a.k.a the Second World War), the opposing alliances are now referred to as âThe Axisâ and âThe Alliesâ. The Axis group consisted of Germany, Italy, and Japan. The Allies group consisted of France, Britain, the U.S., the Soviet Union, and China.