electronic configuration of na

Element Symbol Atomic No. Electronic configuration Lithium Li 3 [He]2s 1 Sodium Na 11 [Ne]3s 1 Potassium K 19 [Ar]4s 1 Rubidium Rb 37 [Kr]5s 1 Cesium Cs 55 [Xe]6s 1 Francium Fr 87 [Rn]7s 1 ..

(Inert gases are indicated in blue) Element Symbol Atomic number Electronic configuration (or Electron arrangement) K L M N Hydrogen H 1 1 Helium He 2 2 Lithium Li 3 2,1 Beryllium Be 4 2,2 Boron B 5 2,3 Carbon C 6 2,4 Nitrogen N 7 2,5 Oxygen O 8 2..

The distribution of electrons in different orbitals is known as its electronic configuration. This characterizes each electron in an atom. The electronic configuration is expressed by indicating the principal quantum number and its r..

The elements of this group have six electrons in the outermost shell and have the general electronic configuration as ns 2 np 4..

Group 2 elements are called alkaline Earth metals. These elements have two electrons in the valence shell of their atoms, preceded by the noble gas configuration. Their general configuration is written as [Noble gas] ns 2 where 'n' represents the valence shel..

Like halogens, hydrogen has only one electron less than the nearest noble gas configuration. H : 1s 1 He : 1s 2 F : 1s 1 2s 2 2p 5 Ne : 1s 1 2s 2 2p ..

The last electron enters into 5f-orbital in these elements. The electronic configuration of actinides is given below. The general electronic configuration of these elements is 5f 1 - 1 4 6d 0 - 1 7s 2 . Element Symbol Atomic number ..

Group A 1A 2A 3A 4A 5A 6A 7A 0 Period 1 1 H 2 He Period 2 3 Li 2,1 4 Be 2,2 5 B 2,3 6 C 2,4 7 N 2,5 8 O 2,6 9 F 2,7 10 Ne 2,8 Period 3 11 Na 2,8,1 12 Mg 2,8,2 13 Al 2,8,3 14 Si 2,8,4 15 P 2,8,5 16 S 2,..

The arrangement of electrons in the various shells/orbits/energy levels of an atom of the element is known as electronic configuration. Keeping the Bohr and Bury rules in mind let us write the electronic configuration of elemen..

Electronic Configurations and Molecular Behaviour - Molecular orbital energy level diagram gives very valuable information regarding the behaviour of molecules. The important information conveyed by the electronic configuration of a molecule ..