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2. Template:List of chemical elements - Wikipedia

   en.wikipedia.org/wiki/Template:List_of_chemical...

   Download as PDF; Printable version; ... List of chemical elements. Element Origin of name [1] [2] Group Period Block Standard ... Element; atomic number (Z) Symbol ...

3. List of chemical elements - Wikipedia

   en.wikipedia.org/wiki/List_of_chemical_elements

   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 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...

4. List of elements by atomic properties - Wikipedia

   en.wikipedia.org/wiki/List_of_elements_by_atomic...

   This is a list of chemical elements and their atomic properties, ordered by atomic number (Z). Since valence electrons are not clearly defined for the d-block and f-block elements, there not being a clear point at which further ionisation becomes unprofitable, a purely formal definition as number of electrons in the outermost shell has been used.

5. Template:List of chemical elements/row - Wikipedia

   en.wikipedia.org/wiki/Template:List_of_chemical...

   Download as PDF; Printable version; In other projects ... where the second parameter is what goes between the two numbers ... List of chemical elements/2020}} ...

6. File:The Periodic Table of the Elements in Pictures.pdf

   en.wikipedia.org/wiki/File:The_Periodic_Table_of...

   Small symbols pack in additional information: solid/liquid/gas, the color of an element, common in the human body, common in the earth's crust, magnetic metals, noble metals, radioactive, and rare or never found in nature. It does not overload kids with a lot of detailed numbers, like atomic weights and valence numbers.

7. Periodic table - Wikipedia

   en.wikipedia.org/wiki/Periodic_table

   Each distinct atomic number therefore corresponds to a class of atom: these classes are called the chemical elements. [5] The chemical elements are what the periodic table classifies and organizes. Hydrogen is the element with atomic number 1; helium, atomic number 2; lithium, atomic number 3; and so on.

8. Extended periodic table - Wikipedia

   en.wikipedia.org/wiki/Extended_periodic_table

   The configurations of the elements in this table are written starting with [Og] because oganesson is expected to be the last prior element with a closed-shell (inert gas) configuration, 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 4f 14 5s 2 5p 6 5d 10 5f 14 6s 2 6p 6 6d 10 7s 2 7p 6. Similarly, the [172] in the configurations for elements ...

9. Electron configurations of the elements (data page) - Wikipedia

   en.wikipedia.org/wiki/Electron_configurations_of...

   However there are numerous exceptions; for example the lightest exception is chromium, which would be predicted to have the configuration 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4 4s 2, written as [Ar] 3d 4 4s 2, but whose actual configuration given in the table below is [Ar] 3d 5 4s 1.