=. 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 Edo period (æ±æ¸æä»£, Edo jidai) or Tokugawa period (å¾³å·æä»£, Tokugawa jidai) , is the period between 1603 and 1868 in the history of Japan, when Japanese society was under the rule of the Tokugawa shogunate and the country's 300 regional Daimyo. revolution took place in the centuries from the time of the Kamakura shogunate, which existed with the Tenno 's court, to the Tokugawa, when the bushi became the unchallenged rulers in what historian Edwin O. Reischauer called a centralized feudal  form of government.