Rubidium, a chemical facet with a symbol Rb, is among the highlyreactive alkali steels of team 1 through atomic number 37 in the routine table. Rubidium is not discovered in a complimentary state in nature due to its high reactivity habits so the it is abstracted from different compounds (mostly indigenous salts).

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As us know how much rubidium is being used in the civilization ofchemistry, so us must have actually very good proper information around its digital properties to make it through in the human being of chemistry and that’s why friend are below toknow what valence electrons and valency ofrubidiumare, aren’t you? however for thisyou have to know what these 2 terms are, so without wasting her time let"s gofor it,

Difference between valence electrons and valency

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


Valency is characterized as the total number of electrons one atomcan lose, gain, or re-superstructure at the moment of bond formation to acquire astable electronic configuration i.e. To complete an octet. The valency of an atom canbe change in different compounds or in chemistry reactions early out to various bondingmechanisms.

Rubidium (Rb) valence electrons

There room four basic steps to uncover out the valence electrons forrubidiumatom which are:

Step 1: find the atom Number


To discover out the atomic variety of rubidium, we deserve to use the periodictable. V the assist of the regular table, us can quickly see the the atomic number of rubidiumis 37. Together its atom number is 37, it has a full of 37 protons, and forneutral rubidium, the number of protons is constantly equal to the number of electronsi.e. 37 electrons in the nucleus.

Step 2: create Electron Configuration


Electron construction is the plan of electrons on theorbitals. The rubidiumatom has a total of 37 electrons, for this reason we have to put 37 electron in orbitals. The first two electrons will certainly go in the 1s orbital as Sorbital have the right to hold a preferably of two electrons only. The next two will certainly go in 2sorbital and the next six electrons will certainly go in 2p orbital together P orbital can onlyhold a maximum of 6 electrons and also so on...
Now wehave,
Rubidium electron configuration Rb (37) =1s22s2p63s2p6d104s2p65s1(completeconfiguration) or5s1(condensed configuration).

Step 3: recognize Valence Shell

As we know, the valence covering of one atom can be uncovered from the highest variety of principle quantum numbers which is express in the hatchet of nand in1s22s2p63s2p6d104s2p65s1, the highest value that n is 5 so that the valence shell of Rb is 5s1.

Step 4: uncover Valence Electrons

The total number of electrons present in the valence shellof one atom is called valence electrons, and also there is only one electron presentin the valence shell ofrubidium(5s1). Thus,rubidiumhas only one valenceelectron.

Valency of Rubidium (Rb)

There are countless different means to uncover out the valency of anatom which mirrors the capacity of one atom come bond with other atoms. Valence describeshow conveniently an atom or a complimentary radical can integrate with various other chemical species. Thevalency of an atom is determined based upon the number of electrons lost, gained, or mutual with an additional atom.

An atom is stated to it is in stable once its outermost shells haveeight electrons (except H and also He). If the total number of electrons inoutermost shells is between one come four, the atom has actually positive valency and also ifelectrons are in between four to eight, the valency is calculation by subtractingfrom eight and also valency is negative. Atom having 4 outermost electronspossess both confident and an adverse valency and atom having actually eight outermostelectrons have actually zero valencies (i.e. Noble gases).

Alkali metals likerubidiumreached the steady (nearest inertgas configuration) by losing one outermost electron. So the the valency ofrubidium(Rb) is 1.

We can likewise find the valency ofrubidiumwith the aid of a routine table. Asrubidiumis an element of group 1 which shown alkalimetals group and also valency of alkali metals are always 1.

Valence electrons and also valency of Rb+

Rubidium-ion Rb+ means it has lost one electron and also has just 36 electron in the orbitals. The electron construction of neutral Rb is1s22s2p63s2p6d104s2p65s1but in Rb+ it loser one electron, therefore it has actually a new electron construction of1s22s2p63s2p6d104s2p6means Rb+ has (2+6=8) outermost electron which renders it stable. Thus,rubidiumion (Rb+) has actually eight valence electrons.

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Rb+ valency is not zero prefer noble gas as their outermostshell has actually eight electrons. When arubidiumatom loser one electron, Rb+ ion is produced and also that’s what valency is. So that Rb+ valency is +1 not zero.

Chemical Properties

Rubidium (Rb) atom
Atomic number37
Number that protons37
Number that electrons37
Electron configuration1s22s2p63s2p6d104s2p65s1
Valence electrons1

Rubidium-ion (Rb+)
Number the electrons36
Electronic configuration1s22s2p63s2p6d104s2p6
Valence electrons8