安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Periodic Table - Ptable
Interactive periodic table showing names, electrons, and oxidation states Visualize trends, 3D orbitals, isotopes, and mix compounds Fully descriptive writeups
- Periodic Table of Elements - PubChem
Interactive periodic table with up-to-date element property data collected from authoritative sources Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game!
- Periodic table - Wikipedia
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups") It is an icon of chemistry and is widely used in physics and other sciences
- Periodic Table – Royal Society of Chemistry
Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information
- Periodic Table - Periodic Table
Interactive periodic table of the chemical elements; Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more
- Periodic table | Definition, Elements, Groups, Charges . . .
Periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number When the elements are thus arranged, there is a recurring pattern called the ‘periodic law’ in their properties, in which elements in the same column (group) have similar properties
- The Periodic Table of Elements (With Printables)
What is the periodic table of elements, definition of groups and periods, periodic table with symbol, name, atomic number, how to read the table, printable pdf
|
|
|