Sodium, a chemical aspect with price Na, is one of the highlyreactive alkali steels of team 1 with atomic number 11 in the regular table. Sodiumis not uncovered in a complimentary state in nature because of its high reactivity actions so that it is abstracted from different compounds (mostly from salts).

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As we know how much sodium is being provided in the civilization ofchemistry, so us must have actually very an excellent proper information about its electronic properties to survive in the people of chemistry and that’s why you are below toknow what valence electrons and also valency of sodium are, aren’t you? yet for thisyou need to know what these 2 terms are, so there is no wasting your time let"s gofor it,

Difference between valence electrons and valency

Valence electrons room the total number of electrons presentin the outermost shell of one atom (i.e. In outermost orbital). The valenceelectrons for a neutral atom is constantly definite, it cannot be varied (more orless) in any kind of condition for a certain atom and may or no be same to itsvalency.


Valency is characterized as the total variety of electrons an atomcan lose, gain, or share at the time of bond development to gain astable digital configuration i.e. To finish an octet. The valency of one atom canbe variable in various compounds or in chemistry reactions due to various bondingmechanisms.

Sodium (Na) valence electrons

There are four simple steps to find out the valence electrons for sodium atom i m sorry are:

Step 1: discover the atom Number


To find out the atomic variety of sodium, we can use the periodictable. Through the assist of the routine table, us can easily see the the atomic number ofsodium is 11. Together its atomic number is 11, it has a complete of 11 protons and also forneutral sodium, the variety of protons is always equal come the variety of electronsi.e. 11 electron in the nucleus.

Step 2: compose Electron Configuration


Electron configuration is the setup of electrons on theorbitals. The salt atom has a complete of 11 electrons, so we have to put 11electrons in orbitals. The an initial two electrons will go in the 1s orbital as Sorbital deserve to hold a best of 2 electrons only. The following two will go in 2sorbital and also the next six electrons will certainly go in 2p orbital as P orbital have the right to onlyhold a preferably of 6 electrons. Currently the extra one will go into the 3S orbital. Currently wehave,

Sodium electron construction Na (11) =1s22s22p63s1(completeconfiguration) or3s1(condensed configuration).

Step 3: recognize Valence Shell

As we know, the valence shell of an atom have the right to be uncovered from the highest variety of principle quantum number which is expressed in the ax of nand in1s22s22p63s1, the greatest value that n is 3 so that the valence covering ofNa is3s1.

Step 4: find Valence Electrons

The total variety of electrons existing in the valence shellof an atom is dubbed valence electrons, and there is only one electron presentin the valence shell of sodium (3s1). Thus, sodium has actually only one valenceelectron.

Valency of salt (Na)

There are plenty of different ways to discover out the valency of anatom which shows the capacity of one atom come bond with various other atoms. Valence describeshow quickly an atom or a totally free radical can combine with other chemical species. Thevalency of an atom is determined based on the variety of electrons lost, gained, or shared with an additional atom.

An atom is claimed to be stable once its outermost shells haveeight electron (except H and also He). If the total variety of electrons inoutermost shells is between one come four, the atom has actually positive valency and ifelectrons are between four to eight, the valency is calculate by subtractingfrom eight and valency is negative. Atoms having 4 outermost electronspossess both optimistic and an adverse valency and also atom having actually eight outermostelectrons have actually zero valencies (i.e. Noble gases).

Alkali metals like sodium reached the secure (nearest inertgas configuration) by losing one outermost electron. So that the valency ofsodium (Na) is 1.

We can likewise find the valency of sodium v the help of a periodic table. As salt is an element of group 1 which shown alkalimetals group and also valency that alkali steels are constantly 1.

Valence electrons and valency that Na+

Sodium-ion Na+ method it has lost one electron and has only10 electrons in the orbitals. The electron construction of neutral Na is1s22s22p63s1but in Na+ it loses one electron, so it has a brand-new electron configuration of1s22s22p6means Na+ has actually (2+6=8) outermost electrons which makes it stable. Thus, sodiumion (Na+) has eight valence electrons.

See more: What Is The Electron Configuration For Aluminum? ? Chemistry Of Aluminum (Z=13)

Na+ valency is no zero prefer noble gas together their outermostshell has eight electrons. Once a salt atom loser one electron, Na+ ion is produced and also that’s what valency is. So the Na+ valency is +1 not zero.

Chemical Properties

Sodium (Na) atom
Atomic number11
Number of protons11
Number that electrons11
Electron configuration1s22s22p63s1
Valence electrons1

Sodium-ion (Na+)
Number of electrons10
Electronic configuration1s22s22p6
Valence electrons8