Rubidium Valence Electrons

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Rubidium Valence Electrons

For the Rb+ structure use the periodic table to find the total number of valence electrons for Rb. Once we know how many valence electrons.

Draw a Lewis electron dot diagram for an atom or a monatomic ion. In almost all cases, chemical bonds are formed by interactions of valence electrons in atoms.

Rb+ Electron Configuration (Rubidium Ion)In this video we will write the electron configuration for Rb+, the Rubidium ion. We’ll also look at why Rubidium fo. Valence Electrons: 5s 1 Electron Dot Model. Chemical Properties of Rubidium. Electrochemical Equivalent: 3.1888g/amp-hr. Rubidium - Rb ( Comprehensive information for the element Rubidium - Rb is provided by this page including scores of properties, element names in many languages, most known nuclides. Valence Electrons in Rubidium. Valence Electrons in Ba. Valence Electrons in Xe. Valence Electrons in O. YOU MIGHT ALSO LIKE. Aviation English - ICAO. Electron withdrawing/Electron Donating 28 Terms.

  • 2021: Valence Electrons in Rubidium (Rb) & Facts, Color, Discovery. A valence electron is an outer shell electron and may participate in the formation of a chemical bond. Ok but how many valence electrons does an atom of Rubidium have? In the case of Rubidium the valence electrons is 1,2,3,4.
  • Rubidium has one valence electron, which is located in the s-orbital of the atom's fifth energy level. Rubidium has a total of 37 electrons, illustrated in the element's electron configuration of 1s2 2s2p6 3s2p6d10 4s2p6 5s1. Rubidium is represented by the chemical symbol Rb on the periodic table of elements.

Lewis Dot Diagrams of Selected Elements. Lewis Symbols, Electron Configuration into Shells Electron Distributions Into Shells for the First Three Periods.

Rubidium (Rb) has an atomic mass of Find out about its Crystal Structure, Cubic: Body centered. Color, Silver Lewis Dot Diagram of Rubidium (Rb). Rubidium iodide RbI or IRb CID - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities.Rubidium chloride is the chemical compound with the formula RbCl.

This alkali metal halide is composed of rubidium and chlorine, and finds diverse uses ranging from electrochemistry to molecular biology. The dot structure for Rubidium is Rb with a dot on the top right of b.

Rb is the short form of rubidium. The dot structure as you know can only be a max of 8 and dots are added counterclockwise.

Anyway, a good counting place on the periodic table would be the second row (or period). It starts with hydrogen.

Lewis electron dot diagrams for ions have less (for cations) or more (for anions) dots than the corresponding atom. Exercises Explain why the first two dots in a Lewis electron dot diagram are drawn on the same side of the atomic symbol.

The Lewis structure was named after Gilbert N. Lewis, who introduced it in his article The Atom and the Molecule.

Lewis structures extend the concept of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond. The dot structure for Rubidium is Rb with a dot on the top right of b.

Rb is the short form of rubidium. The dot structure as you know can only be a max of 8 and dots are adde d counterclockwise.Rubidium(1+);hydroxide HORb2+ - PubChemWhat is the Lewis dot structure of rubidium

Correct set of four quantum numbers for the valence (outermost) electron of Rubidium (Z=37) is :

(IIT JEE 1986)

1) 5, 0, 0, +½


2) 5, 1, 0, +½

3) 5, 1, 1, +½

4) 6, 0, 0, +½


We may write the electronic configuration of Rubidium, Rb and then find out the quantum numbers for the last electron (Rb valence electron).


Remember that, Rb belongs to alkali metals (1st group) and 5th period of modern periodic table. For alkali metals, the outer electronic configuration is ns1 and for the 5th period n = 5.

PeriodElements of 1st group


Electronic configuration of Rb = 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1

Check that there are 37 electrons.


Principal quantum number, n = 5

Rubidium Has How Many Valence Electrons

Azimuthal quantum number, l = 0 (since for s orbital l = 0)

Magnetic quantum number, m = 0 (since for l = 0, there is only one m value i.e. 0)

Rubidium # Of Valence Electrons

Spin quantum number, s = +½ or -½ (there is only one electron and it can have clockwise or anticlockwise spins)


Rubidium # of valence electrons

The correct set of quantum numbers will be: 5, 0, 0, +½ or -½. Therefore correct option is 1.

Followup questions

Q-1: The correct set of four quantum numbers for unpaired electron chlorine is :

1) 2, 0, +1, +½

2) 3, 0, -1, +½

3) 3, 1, -1, +½

4) 2, 0, 0, +½


Write the outer electronic configuration of Chlorine atom.

It belongs to halogens i.e. 17th group and 3rd period of periodic table


The outer electronic configuration of Chlorine atom in the ground state is: 3s2 3p5

The valence electron resides in one of the 3p orbital.

Hence the correct set of quantum numbers is: n=3, l=1, m=+1 or 0 or -1, s=+½ or -½.


The correct set of quantum numbers among the given options is: 3, 1, -1, +½ i.e correct option is 3.

Q-2: The values of four quantum numbers of valence electron of an element are n=4, l=0, m=0 and s=+1/2. The element is :

(Eamcet - 2004-M)

a) K

b) Ti

c) Na

d) Sc


n = 4 and l = 0 represent 4s orbital. Since it is valence electron, the element belongs to s-block and 4th period of periodic table.


There are two elements that belong to s-block i.e. K and Na. On close inspection of periodic table, the quantum number data for the valence electron fits for potassium, K, since it belongs to 4th period.

Remember that the principal quantum number of valence electron represents the period number also that is especially true for s and p block elements.

Note: Na belongs to 3rd period and hence n should be 3 for the valence electron of this element. Ti and Sc belong to d-block.


1) Write all possible values of each quantum number for the outermost electron in an Rb atom.

2) What is the set of quantum numbers for unpaired electron of Fluorine atom?

3) Write the set of quantum numbers for the electron present in the first excited state of hydrogen atom.

4) How many sublevels are possible for n = 4 quantum level?

5) What is the principal quantum level of the highest energy electron of rubidium atom in the ground state?