What number of valence electrons does Germanium (Ge) possess?

What is the valency of germanium Valence electrons

The 32nd element is germanium. Germanium is the element in group 14 and its symbol is ‘Ge’. Germanium creates bonds using its and valence elements . This article details the germanium valence-electrons. Pure germanium is a semiconductor which has an appearance that is similar to elemental Silicon. Similar to silicon, natural reactions of germanium form complexes with organic in the environment. 

Because it rarely occurs in high concentrations in the history, germanium was found relatively late. Germanium ranks close to fiftieth among the elements found in the Earth’s crust. Dmitri Menedeleev in 1869 predicted its existence, along with some of its properties, based on its location on his periodic table. He named the element ekasilicon.

valence electrons of germanium

Elemental germanium can be used in transistors as well as other electronic devices. The foundations of semiconductor electronics were built on germanium for the first ten years. Presently, the main end uses are fibre optic systems and Infrared Optics applications. Light-emitting Diodes are also used. Germanium compounds have also been used in Polymerization Catalysts. Most recently, they were used in the production Nanowires. This element forms a large amount of organogermanium compounds such as Tetraethylgermanium. It is also useful in organometallic Chemistry. Germanium is a technology-critical component.

Biological function

Germanium does not have any known biological functions. The element is safe. While some germanium compounds can cause toxicity in humans, others are effective against bacteria. Researchers have begun to investigate their potential application in pharmaceuticals.


Germanium is a type of semiconductor. The pure element was frequently doped with arsenic and gallium. This made it a semiconductor that could be used in thousands electronic applications. Nowadays, however, there are many other semiconductors that have replaced the pure element.

Germanium oxide exhibits high indexes of dispersion and refraction. This makes it suitable to be used in wide-angle microscope objective lenses as well as camera lenses with wide angles. This is the principal use of this element.

Germanium can be used in fluorescent lamps as an alloying ingredient (by adding 1% germanium, it stops it from tarnishing), and as a catalyst.

Natural abundance

Germanium ores, however, are rare. They can only be found in small quantities, like the minerals germanite & argyrodite.

Zinc ores contain germanium minerals. Commercial production of germanium can be done by processing zinc furnace flue dust. You can also get it from the combustion byproducts of certain coals.

The health effects of Germanium

It is estimated that the average daily intake of germanium is about 1 mg. There have been claims that it could be beneficial for health, though this has not been scientifically proven. The high intake of germanium is believed to enhance the immune system, boost oxygen supply, make people feel more alive, and reduce harmful free radicals. It was also believed to protect against radiation. In the UK, the Department of Health issued a warning in 1989 against taking germanium supplements. It stated that the supplement had no nutritional value or medical benefits and that it was a danger to your health.

Germanium tetrahydride and germanium hydroide are highly flammable, and can even explode when mixed with oxygen. Inhalation: Abdominal cramps. Burning sensation. Cough. Skin: Redness. Pain. Eyes: Redness. Pain.

atomic number32
atomic weight72.63
boiling point2,830° C (5,130° F)
melting point937.4° C (1,719.3° F)
density5.323 g/cm3
oxidation states+2, +4
electron config.1s22s22p63s23p63d104s24p2

What are the valence electrons of germanium?

The third element in group-14, germanium, is the third. The valence elements are the number of electrons remaining in the final orbit (shell). The total number electrons in the last shell, after the germanium electron configuration, is known as the valence electronics of germanium. The valence elements are responsible for determining the element’s properties and participating in the formation of bonds.

Place of Germanium (Ge) in the periodic table

Place of Germanium (Ge) in the periodic table

Germanium Facts

  • Mendeleev’s periodic tables predicted that germanium would be discovered. Germanium replaced the placeholder element ekasilicon.
  • Neptunium was Winkler’s original name of germanium. Similar to germanium, Neptune was discovered recently using mathematical predictions.
  • Mendeleev predicted that eka-silicon would have the following physical properties, based upon its position in a periodic table. According to Mendeleev, its atomic mass would reach 72.64 (realized value: 72.61), it would have a density of 5.5 g/cm 3 (real value 5.32 g/cm 3 ), high melting temperature (real value 1210.6 K), and would appear grayish-white. Mendeleev’s theories on periodicity were confirmed by Mendeleev’s closeness to the predicted values of ekasilicon’s germanium physical properties.
  • Before ultra-pure Silicon became commercially available in late 1950s, early semiconductor components were mainly made from germanium.
  • Before World War II, there was very little use of germanium. Germanium production grew from a few hundred kg per year to around 100 metric tons each year.

How many protons or electrons does germanium possess?

The nucleus lies in the center atom. The nucleus is home to protons as well as neutrons. 32 is the germanium atomic number. The number of protons makes up the atomic number. It is the number of protons contained in germanium that is 322. In the nucleus’s outer shell, electrons equal to protons can be found. The germanium atom is composed of 32 electrons.

How do you calculate how many valence electrons are in a germanium Atom?

Here are a few steps to determine the valence elements. One of them is the electron configuration. Without the electron configuration, it’s impossible to determine which valence electron is. It is possible to determine the value electrons of all elements by knowing the electron configuration.

How do you calculate the number of valence electrons in a germanium atom

However, valences electrons can easily be identified by arranging electrons in accordance with the Bohr principle. Here’s how to find the valence of germanium.

Determining how many electrons are in germanium

We need to know how many electrons are in each germanium atom. To determine the number and mass of electrons in germanium, you must first know their number. The atomic number is the germanium element’s number.

You will need a periodic table to find the atomic number. The periodic table provides information on the atomic number of germanium element elements. The number protons is what the atomic numbers are. Protons equal electrons are found outside the nucleus.

So, it is now possible to say that there are electrons equal or greater than the atomic numbers in the germanium.atom. We can see that the germanium’s atomic number is 32 from the periodic Table. Also, the germanium-atom has a total count of 32 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).

Perform electron configuration of germanium

This is where the germanium electrons must be organized. We know that germanium has a total of 32 electrons. The electron configuration for germanium shows two electrons inside the K shell, eight within the L shell, and eighteen within the M shell.

That means the first shell of germanium is composed of two electrons. Second shells have eight electrons. Third shells have eight electrons. Third shells have eighteen electrons. Fourth shells contain four electrons. The number of germanium electrons per shell is 2, 8, 18 4. The electron configuration in germanium is through the sub orbit is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2.

Determine and calculate the valence electron shell

The third step in diagnosing the valence is to take it out. The valence (orbit) shell is the last shell following the electron configuration. A valence cell is the number of electrons that are found in a single valence shell. The electron configuration in germanium shows that there are four electrons in the last shell. Accordingly, the valence neutrons of germanium (Ge), have four.

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.

What is the valency germanium?

The ability of an atom of an element in a molecule to join another is called valency. The element’s valency refers to the number of electrons that remain unpaired in the element’s last orbit. The electron configuration of an element at its excited state is what determines its value.

What is the valency of germanium

The electron configuration in germanium(Ge*), when it is excited, is 1s2 2s2 2p6 3s2 3p6 3d10 4s1 4px1 4py1 4pz1. This shows that germanium has four unpaired electrons.

Thus, the valency value of the germanium is 4.

How many valence-electrons does germanium Ion (Ge3+, Ge4+), contain?

The electron configuration reveals that the germanium last shell has four electrons, and the d’orbital has ten electrons. The bond formation affects how the element’s ionic states change. Ge2+ or Ge 4+ions show germanium atoms.

How many valence electrons does germanium ion(Ge2+, Ge4+) have

Here you can see that the electron configuration for germanium ion(Ge2+), here is 1s2 2s2 2p6 3s2 3p6 3d10 4s2. This electron configuration reveals that the germanium Ion (Ge ) is composed of four shells. The last shell has only two electrons. In this instance, the germanium Ion(Ge2+) has two valence electronic total. For the conversion of the germanium-ion(Ge4+), two electrons are donated by the germaniumatom in the 4p orbital. Two electrons are also given in the 4s orbital.

How many valence electrons does germanium ion(Ge2+, Ge4+) have

Here you can see that the electron configuration of germanium (Ge4+), here is 1s2 2s2 2p6 3s2 3p6 3d10. This electron configuration reveals that the germanium 4+ has three shells while the last shell has eighteen. This means that the valence elements of the germanium Ion (Ge4+), in this case, are eighteen.

  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.


Alexander Stephenson

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

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