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English: Electron shell diagram for Lithium, the 3rd element in the periodic table of elements. Source: File:Electron shell 003 Lithium.svg: Author:
Electron shell 003 Lithium - no label.svg; ... * '''Description:''' Electron shell diagram for Lithium, the 3rd element in the periodic table of elements.
In chemistry and atomic physics, an electron shell may be thought of as an orbit that electrons follow around an atom's nucleus.The closest shell to the nucleus is called the "1 shell" (also called the "K shell"), followed by the "2 shell" (or "L shell"), then the "3 shell" (or "M shell"), and so on further and further from the nucleus.
Electron atomic and molecular orbitals A Bohr diagram of lithium. In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. [1]
This page shows the electron configurations of the neutral gaseous atoms in their ground states. For each atom the subshells are given first in concise form, then with all subshells written out, followed by the number of electrons per shell. For phosphorus (element 15) as an example, the concise form is [Ne] 3s 2 3p 3.
== Summary == * '''Description:''' Diagram showing the periodic table of elements in the form of their electron shells. Each element is detailed with the name, symbol and number of electrons in each shell. The colour scheme is designed to match that used : 21:16, 1 April 2007: 4,213 × 2,980 (4.57 MB) GregRobson
Atomic number (Z): 3: Group: group 1: hydrogen and alkali metals: Period: period 2: Block s-block Electron configuration [] 2sElectrons per shell: 2, 1: Physical properties; Phase at STP ...
The 2s electron is lithium's only valence electron, as the 1s subshell is now too tightly bound to the nucleus to participate in chemical bonding to other atoms: such a shell is called a "core shell". The 1s subshell is a core shell for all elements from lithium onward. The 2s subshell is completed by the next element beryllium (1s 2 2s 2). The ...