New game for IPad! Simple as it is, tangram is an all-inclusive toy that has a history of one thousand years. Come and unlock the puzzle of "Super Tangram HD ". After finding the answer to 200 diff...
The details content of element 118 is provided in this App,The contents are as follows:General properties,Physical properties,Atomic properties,Miscellanea,Biological data.Multi-periodic table view...