How many valence electrons does Niobium (Nb) have?

niobium(Nb) Valence electrons

Niobium is located in the fifth period of Group V of the sideways (B) subgroup of the Periodic Table. Metal. Its designation is Nb. Serial number – 41.

Niobium is a chemical element that has been used in a variety of industries since the early 20th century. Its atomic number is 41, and it is classified as a transition metal. It has many properties that make it an ideal choice for use in manufacturing and engineering applications.

One of the most notable properties of niobium is its low density, which makes it lighter than other metals with similar strength. This makes it an ideal material for aircraft components or lightweight structures like bridges. It also has excellent corrosion resistance, making it suitable for use in areas with high humidity and salt water exposure.

Niobium also has a high melting point, which makes it suitable for use in welding applications or other extreme temperature conditions. In addition to its physical properties, niobium also has some unique chemical characteristics that make it highly valued in various industries. For example, when alloyed with other metals such as iron or titanium, niobium can create superalloys with extremely high strength-to-weight ratios and increased corrosion resistance compared to traditional alloys.


The melting point of niobium is 2468 degrees Celsius, and its boiling point is 4927 degrees Celsius. In terms of magnetic properties, niobium is a paramagnetic.

Valence – the ability of atoms of chemical elements to form a certain number of chemical bonds.

Valence is a measure (numerical characteristic) of the ability of chemical elements to form a certain number of chemical bonds.

What are the valence energies of niobium (Nb)?

Configuration Bohr model-NiobiumNb atom electron

Niobium is group-5’s 2nd element. The elements in groups 3-12, also known as transition elements, are the elements. The valence number is the sum of all electrons found in the final orbit. However, transition elements have the valence atoms remaining in the orbit (or inner shell). This is because the electron configuration of transition Elements shows that the final electrons enter the orbital.

The valence particles determine the properties and aid in bond formation. Niobium(Nb), is the 41st and final element in our periodic table. The total number of electrons found in the atoms of the niobium elements is forty-one. The electron configuration shows that the last orbit of niobium is composed of an electron.

But, the electron configuration in niobium shows that its last (4d 4) has entered the d-8 orbital. To determine the valence element of a Transition Elements, it is necessary to calculate its last shell electrons using the d–orbital particles.

Structure of the niobium atom
Structure of the niobium atom

The niobium plays a role in the formation and sharing of bonds through its five last electrons. The niobium also has five valence atoms.

Energy diagram (built only for the electrons of the outer energy level, which are otherwise called valence electrons):
Energy diagram of the niobium atom

Chemical properties Niobium (Nb)

Valence1, 2, …5 
Highest oxidation degree5 
Lower oxidation states4, 3, 2, 1, 0, -1, -3 
Ionization energy652 кДж/моль 


What number of protons and electrons does the niobium (Nb) atom contain?

The nucleus can be found in the middle of an atom. The nucleus contains protons and neutrons. The atomic number for niobium (Nb) is 41. The number of protons is called the atomic number.

This means that there are forty-one protons in the Niobium. The nucleus contains an electron shell that is equal to the protons. This means that a niobium-atom contains a total number of 41 electrons.

How do you calculate how many valence electrons are in a niobium (Nb) atom?

Following a few steps, you can determine the valence of an electron. One of those steps is the electron configuration. Without the electron configuration, it’s impossible to determine which valence electron is. The valence electrons can be determined by knowing the correct electron configuration.

Bohr’s atomic model cannot predict the valence electrons in the transition element.

This is because the transition element’s valence electrons are found in the inner shell. This method is not the only one. Sub-orbits can also be used to create electron configuration. German physicist Aufbau proposed the idea of electron configuration using sub-orbits. The Aufbau method allows electron configuration to be achieved at sub-energy levels. These sub-orbitals will be expressed by the letter ‘l.

The Aufbau principle says that the electrons within an atom will first complete the lowest-energy orbital, then slowly progress to the higher-energy orbital. These orbitals can be referred to as s,p,d,f. The electron-holding capacity of these orbitals can be found at s = 2, 6 and 10 respectively.

The Aufbau principle allows you to easily determine the valence element of the transition elements. This is how we can determine the valence element of niobium.

Finding the total number (Nb) of electrons present in niobium

We first need to determine the total number electrons in the Niobium atom. To determine the number of electrons in the niobium atom, you must know the number protons. You will also need to know what the atomic numbers of the elements of the Niobium are to determine the number of protons.

The periodic table can be used to calculate the atomic numbers. The periodic table provides information on the atomic number for niobium elements. The number of protons in an atomic number is known as the atomic number. Additionally, electrons equal to protons can be found outside of the nucleus.

We can thus finally conclude that electrons are equal to the number in the Niobium atom. We can see from the periodic table that the Niobium atom (Nb), has an atomic number of 41. The atom of niobium has 41 electrons.

Valence is the ability of an atom of a chemical element to form a certain number of chemical bonds with other atoms. It takes values from 1 to 8 and cannot be equal to 0. It is determined by the number of electrons of an atom spent to form chemical bonds with another atom. The valence is a real value. Numerical values of valence are indicated with roman numerals (I,II, III, IV, V, VI, VII, VIII).

Necessary to perform electron configuration of Niobium (Nb)

The electrons of Niobium must be organized in this step. We know that each atom of niobium has 41 electrons. The 2s orbital receives the first two electrons, and the 2s orbital receives the next two electrons.

Six electrons are allowed in the p orbital. The 6th and 6th electrons then enter the 2p orbital. The 3s- and 3p orbitals are now occupied by the eight next electrons. The 3p orbital is full so only two electrons can enter the 4s orbital. We know that the maximum amount of electrons a d orbital can contain is ten. Therefore, the 3d-orbital can have a maximum of ten electrons. Six electrons have now entered the 4p orbital as the 3d orbital is full. The 5s orbital is now full, so the remaining four (4d 4) electrons will enter the 4d-orbital. Thus, the electron configuration of niobium (Nb) will be 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d4.

The terms “oxidation degree” and “valence” may not be the same, but they are numerically almost identical. The conditional charge of an atom’s atom is called the oxidation state. It can be either positive or negative. Valence refers to the ability of an atom form bonds. It cannot have a negative value.

Calculate total electrons by determining the valence shell

The third step involves diagnosing the valenceshell. The orbit shell, or valence shell, is the final shell after the electron configuration. A valence is the number of electrons contained in a shell containing a valence. However, the inner shell houses the valence elements of transition elements.

To determine the valence element, you must add the total electron of the d-orbital electron to the electron in atom’s last shell.

The electron configuration of Niobium shows that the electron configuration is (5s1). The electron in the last shell of Niobium contains an electron (5s1), while the electron in the d-orbital contains four electrons (4d4). Five valence electrons are found in niobium(Nb), which is five(5).

What is the valency value of Niobium(Nb)?

The ability for an element’s one atom to bond with another atom during the formation a molecule is known as valency. The element’s valency refers to the number of electrons that remain unpaired in its last orbital. The electron configuration of Niobium is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d4.

  1.  The valence is a numerical characteristic of the ability of atoms of a given element to bond with other atoms.
  2. The valence of hydrogen is constant and equal to one.
  3. The valence of oxygen is also constant and equal to two.
  4. The valence of most of the other elements is not constant. It can be determined by the formulas of their binary compounds with hydrogen or oxygen.

Compound formation is when the niobium-atom shares five electrons with another element. The oxidation status of niobium(Nb), which is +5, is a process where the atom gives or shares five electrons. The bond formation is a factor in the niobium oxidation state. Niobium pentafluoride (NbF) has the oxidation status of niobium+5. In this compound, the valency for niobium is 5.

Accordingly, the valency value of the element niobium is 5.

Niobium is also known to have valence I (Nb2O), II (NbO), III (Nb2O3, NbCl3, NbBr3) and IV (NbO2, NbCl4).

Valence of niobium in compounds

Valence of niobium in compounds
IIINbI3, NbBr3
IVNbI4, NbO2, NbBr4
VHNbO3, Nb2O5, NbBr5


1. How many protons, neutrons, and electrons are there in the niobium atom?

The stable isotope Nb-93 contains 41 protons and the same number of electrons and 52 neutrons.

2. What type of chemical bonding is characteristic of niobium?

Between the atoms in the niobium crystal there is a metallic bond due to the union of valence electrons.

Alexander Stephenson

Candidate of Chemical Sciences, editor-in-chief of Lecturer at several international online schools, member of the jury of chemistry competitions and author of scientific articles.

Rate author

Leave a Reply