1. Periodic Table - Ptable - Properties
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds.
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

2. 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 ...
Learn about the periodic table of elements. Find lesson plans and classroom activities, view a periodic table gallery, and shop for periodic table gifts.

3. Periodic Table of Elements - IUPAC | International Union of Pure and ...
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 ...
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

4. Periodic table - Energy Kids - EIA
This order generally goes with increasing atomic mass. The different rows of elements are called periods. The period number of an element signifies the highest ...
The periodic table is the most important reference a chemist has because it puts all the known elements into a meaningful pattern. Elements are arranged left to right and top to bottom in order of increasing atomic number. This order generally goes with increasing atomic mass.
5. Periodic Table of Elements | Live Science
Jan 5, 2022 · The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical ...
The brilliance of the table is that a chemist can determine characteristics of an element based on another in the same group or period.

6. Atomic Numbers - The Parts of the Periodic Table
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons ...
Information about various chemical compounds and elements
7. Periodic Table - The Royal Society of Chemistry
Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.

8. Periodic table | Definition, Elements, Groups, Charges, Trends, & Facts
Aug 5, 2023 · Periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number. When the elements are ...
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.

9. Interactive Periodic Table of Elements - Fisher Scientific
The periodic table of the elements was first introduced in the mid-19th century by Dmitry Mendeleev. He organized the elements by atomic number, which is ...
Try our Interactive Periodic Table of Elements that lets you sort by metals, physical states, group, and period, and view the most important elemental properties.
10. The periodic table of the elements by WebElements
The periodic table is an arrangment of the chemical elements ordered by atomic number so that periodic properties of the elements (chemical periodicity) are ...
Explore the chemical elements through this periodic table
11. The Photographic Periodic Table of the Elements
The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical ...
The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.