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 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") An icon of chemistry, the periodic table 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
- Zperiod: Interactive Periodic Table (118 Elements, 3D Atom Models)
All 118 elements with category color-coding, phase data at STP, and instant access to comprehensive chemical information Interactive 3D atom structures with electron shells, swipeable info cards, and detailed properties for every element
- Periodic table | Definition, Elements, Names, Symbols, Groups, Charges . . .
Periodic table, in chemistry, is an organized array of all the chemical elements in order of increasing atomic number When the elements are thus arranged, there is a recurring pattern in which elements in the same column (group) have similar properties
- Element List – Element Names, Symbols, and Atomic Numbers
Periodic Table Companion: Pair it with a printable periodic table for a complete atomic reference set Whether you’re learning the periodic table or preparing classroom materials, this list keeps essential element information at your fingertips
- ACS Periodic Table of Elements (PDF)
American Chemical Society www acs org outreach
- Periodic Table
Interactive periodic table of the chemical elements; Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more
|
|
|