Rubidium, a chemical element with a price Rb, is among the highlyreactive alkali metals of group 1 with atomic number 37 in the regular 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 just how much rubidium is being provided in the civilization ofchemistry, so we must have actually very an excellent proper information about its digital properties to survive in the people of chemistry and also that’s why you are here toknow what valence electrons and also valency ofrubidiumare, aren’t you? but for thisyou have to know what these 2 terms are, so without wasting her time let"s gofor it,

Difference in between valence electrons and also valency

Valence electrons room the total number of electrons presentin the outermost covering of one atom (i.e. In outermost orbital). The valenceelectrons because that a neutral atom is constantly definite, it can not be differed (more orless) in any condition for a specific atom and also may or not be same to itsvalency.


Valency is characterized as the total variety of electrons one atomcan lose, gain, or re-superstructure at the moment of bond development to obtain astable electronic configuration i.e. To finish 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 space four straightforward steps to uncover out the valence electron forrubidiumatom i beg your pardon are:

Step 1: discover the atom Number


To uncover out the atomic variety of rubidium, we deserve to use the periodictable. V the aid of the periodic table, we can quickly see the the atomic number of rubidiumis 37. As its atom number is 37, it has a total of 37 protons, and also forneutral rubidium, the variety of protons is constantly equal come the variety of electronsi.e. 37 electrons in the nucleus.

Step 2: create Electron Configuration


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

Step 3: identify Valence Shell

As us know, the valence covering of an atom have the right to be discovered from the highest variety of principle quantum numbers which is to express in the ax of nand in1s22s2p63s2p6d104s2p65s1, the greatest value of n is 5 so that the valence shell of Rb is 5s1.

Step 4: discover Valence Electrons

The total number of electrons existing in the valence shellof one atom is dubbed valence electrons, and also there is just one electron presentin the valence covering ofrubidium(5s1). Thus,rubidiumhas just one valenceelectron.

Valency the Rubidium (Rb)

There are many different methods to uncover out the valency of atom which mirrors the capability of one atom come bond with other atoms. Valence describeshow easily an atom or a cost-free radical can integrate with other chemical species. Thevalency of one 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 electron (except H and also He). If the total variety of electrons inoutermost shells is between one come four, the atom has positive valency and also ifelectrons are between four come eight, the valency is calculated by subtractingfrom eight and also valency is negative. Atoms having four outermost electronspossess both confident and negative valency and also atom having actually eight outermostelectrons have actually zero valencies (i.e. Noble gases).

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

We can additionally find the valency ofrubidiumwith the help of a periodic table. Asrubidiumis an element of group 1 which suggested alkalimetals group and also valency of alkali metals are constantly 1.

Valence electrons and valency that Rb+

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

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Rb+ valency is no zero choose noble gas together their outermostshell has eight electrons. As soon as arubidiumatom loses one electron, Rb+ ion is produced and that’s what valency is. So the Rb+ valency is +1 not zero.

Chemical Properties

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

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