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- List of chemical elements - Wikipedia
118 chemical elements have been identified and named officially by IUPAC A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i e , a specific atomic number, or Z) [1]
- Periodic Table - Ptable
Interactive periodic table showing names, electrons, and oxidation states Visualize trends, 3D orbitals, isotopes, and mix compounds Fully descriptive writeups
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- 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!
- 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 | Definition, Elements, Groups, Charges, Trends, Facts . . .
periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number —i e , the total number of protons in the atomic nucleus
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