- Periodic Table - Ptable - Properties
Interactive periodic table showing names, electrons, and oxidation states Visualize trends, 3D orbitals, isotopes, and mix compounds Fully descriptive writeups
- 周期表 - Wikipedia
周期表 （しゅうきひょう、 英: periodic table）は、 物質 を構成する基本単位である 元素 を、 周期律 を利用して並べた表である。
- 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
Interactive periodic table of the chemical elements; Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more
- 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
バークリウムカリフォルニウムアインスタイニウム (100) Fm (101) Md Fermium Mendelevium
- PERIODIC TABLE OF THE ELEMENTS
Table 4 1 Revised March 2024 by D E Groom (LBNL) The atomic number (top left) is the number of protons in the nucleus The atomic masses (bottom) of stable elements are weighted by isotopic abundances in the Earth’s surface Atomic masses are relative to the mass of 12C, defined to be exactly 12 unified atomic mass units (u) The exceptions are Th, Pa, and U, which have no stable isotopes
- 元素の周期表 - ChemicalAid
The periodic table provides an extremely useful framework to classify, systematize and compare all the many different forms of chemical behavior The table has also found wide application in physics, biology, engineering, and industry
|