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 | Definition, Elements, Groups, Charges, Trends,
4 天之前 · The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson.
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 of Elements - IUPAC | International Union of Pure …
View the latest release of the Periodic Table (dated 8 Jan 2016) includes the recently added elements 113, 115, 117, and 118 with their temporary names and symbols.
List of chemical elements - Periodic Table
There are 118 elements on the periodic table. Here's a list of all of the chemical elements of the periodic table ordered by increasing atomic number.
Periodic Table of Elements - American Chemical Society
The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number.
The periodic table of the elements by WebElements
Explore the chemical elements through this periodic table. The standard form of the periodic table shown here includes periods (shown horizontally) and groups (shown vertically). The properties of elements in groups are similar in some respects to each other.
Periodic table - Elements, Groups, Blocks | Britannica
4 天之前 · The periodic table of the elements contains all of the chemical elements that have been discovered or made; they are arranged, in the order of their atomic numbers, in seven horizontal periods, with the lanthanoids (lanthanum, 57, to lutetium, 71) and the actinoids (actinium, 89, to lawrencium, 103) indicated separately below.