Rule element position in the periodic table should keep in mind: (1) the periodic number is equal to the number of electrons; (2) the main group element number is equal to the number of electrons in the outermost shell. Identify the law radius of ions ...
To provide an element periodic table fan which is useful for ease of carrying and spreading the element periodic table while using it as a daily use article. SOLUTION: A rectangular element periodic table is deformed into a fan shape and used as a symbol which is perfect for a fan. It ...
The samples (except gases) weigh about 0.25 grams each, and the whole set comes in a very nice wooden box with a printed periodic table in the lid. To learn more about the set you can visit my page about element collecting for a general description and information about how to buy one,...
Periodic table of elements is a simple app that you can look up elements common properties. it is simple to use, contains a lot of information about elements and their behavior. it is interactive. you can click at any elements to see its property. on th
Element_Period_Table-元素周期表 Theperiodictable ⅠA 1氢 ⅡA ⅢA ⅣA ⅤA ⅥA ⅦA Ⅷ ⅠB ⅡB ⅢB ⅣB ⅤB ⅥB ⅦB 0 2氦 12 KαKα H 3锂4铍原子番号(AtomicNumber)5硼6碳7氮8氧9氟 He1 10氖 Li Be 元素名(Element)エネルギー（Energy)(keV)
Elements is a simple, fun and challenging quiz game to discover, learn and memorize all the elements in the periodic table. ★ Featured by Apple on the App Store among the 'Apps for Learning Chemistry' ★ It's perfect for children and adults, a real chemistry lesson!
1 Alkali and Alkalinse earth metals 2 Transition Metals More so than any of the other major groups of elements in the periodic table, the transition metals have shaped human history and have been the workhorses of industry. The disc...
Tungsten is the foundational metal of my periodic table. The book Uncle Tungsten by Oliver Sacks got me started thinking about building a table. The first sample listed below (an eleven pound cylinder of tungsten) was one of the first samples I collected that really wowed me and other, and...
Introducing the world's first handheld Periodic Table with the actual elements in it! Over the last year, we have successfully collected each and every stable element. After considerable R&D, we have finally developed a method of embedding each eleme
1.Research on self - organization of complex system on element periodic table;元素周期表复杂系统自组织性的初步研究 2.The formula can be used in calculating thirty quantitives or more of element and its compounds in the same tribe of the element periodic table.将同系因子1/N用于元素周期表,以...