Ionization meaning, synonyms, antonyms, translation, and use cases


Have you ever heard of the word ionization, If not, In today’s word for the day, we will be giving you highlights on the meaning of ionization, its synonyms, antonyms, translation, and use cases.


The process of ionization occurs when an electron has sufficient energy to separate from an atom. Two charged particles or ions are created as a result of this process: a molecule with a net positive charge and a free electron with a negative charge.

It is the process by which an atom or molecule gains or loses electrons to acquire a negative or positive charge, frequently in conjunction with other chemical changes. Ions are the electrically charged atoms or molecules that arise. Ionization can happen when an electron is lost as a result of collisions with subatomic particles, atoms, molecules, and ions, as well as electromagnetic radiation.

Ion pairs may occur as a result of heterolytic bond cleavage and  heterolytic substitution processes. Through the internal conversion process, which involves an excited nucleus transferring its energy to an inner-shell electron, causing it to be ejected, ionization can happen during radioactive decay.


Ionization Energy

The amount of energy required by an isolated, gaseous atom in the ground electronic state to absorb in order to discharge an electron and produce a cation is known as the ionization energy.

To put it another way, ionization energy depends on atomic radius; the smaller the radius, the less energy is needed to knock an electron out of its outermost orbital. For instance, taking electrons from the heavier element Ca (Calcium) would be simpler than taking them from Cl, where the electrons are kept closer to the nucleus (Chlorine).


This energy is usually expressed in kJ/mol, or the amount of energy it takes for all the atoms in a mole to lose one electron each.

The first electron to be ejected from an originally neutral atom will require less energy than the second, the second will require less energy than the third, and so on. More energy must be released for each additional electron. Because the atom’s overall charge changes to positive after the first electron is gone, the negative forces of the remaining electrons will be drawn to the positive charge of the newly formed ion. It will be more difficult to extract the electrons from the atom the more electrons are lost, making this ion more positive.

Knowing ionization energy is crucial for understanding how different atoms behave in chemical reactions and whether they form covalent or ionic connections with one another. For instance, the initial ionization energy of chlorine is 1251.1 KJ/mol compared to sodium’s 496 KJ/mol (an alkali metal) (2). They create an ionic link when they chemically interact as a result of the difference in their ionization energies. Polar covalent or covalent bonds are formed between elements that are close to one another in the periodic table or between elements with little change in their ionization energies. For instance, the elements carbon and oxygen combine to generate CO2, which is located close to one another on the periodic table and hence forms a covalent bond.

When certain chemicals are added to water, such as sodium chloride (NaCl), their molecules dissolve and split into negative and positive ions.


What is the Ionization Process?

This process of splitting up molecules into positive and negative ions in solution is known as the ionization process.

We shall consider the structure of sodium chloride in order to comprehend the ionization process (NaCl). The common salt we use on a daily basis is sodium chloride.

Na and Cl each have an atomic number of 11 and 17, respectively.

Accordingly, the chlorine atom has 17 electrons orbiting it, while the sodium atom has 11 electrons.


Ionization progress of nacl

The Nacl atom, only contains one electron in its outermost orbit.

Chlorine, on the other hand, has seven electrons in its outermost orbit (right side of the image).

Atoms typically need eight electrons in their outermost orbit to remain stable.

Consequently, both of the atoms in the illustration are “unstable” (also known as “chemically active”).

The Na atom loses its outermost electrons and becomes positively charged when these two atoms are combined (because now it has more protons than electrons).

On the other hand, the Cl atom picks up one electron and changes its charge (because now it has more electrons than protons).

By transferring these electrons, both atoms end up with eight electrons in their outermost orbit.


Ionization progress of sodium chloride

Due to the electrostatic interaction that exists between the positively charged Na atom and the negatively charged Cl atom, which results in the formation of a single NaCl molecule.

Coulomb’s law states that the electrostatic force between two charges that are in opposition can be stated as follows:

Where εr is the relative permittivity of the medium.

Therefore, the relative permittivity of the medium in which the charges are put has an inverse relationship with the electrostatic force between the two charges.

The relative permittivity of the medium provides a simple explanation for the ionization process. At 20 OC, water has a relative permittivity of 80 while the air has a relative permittivity of 1.00058986 0.00000050, or 1.

The electrostatic force between Na and Cl is therefore 80 times weaker in water than it is in air.

It becomes challenging to hold the Na and Cl together in the water because the electrostatic interaction between them is so weak.

Because of this, even at or below room temperature, when sodium chloride (NaCl) is dissolved in water, its molecules separate into the positive Na ion and the negative Cl ion.

This is how sodium chloride ionizes.



  • Ionization
  • Affinity
  • Ionizes
  • Ionisable
  • Icsds



  • Activation
  • Sink
  • Source
  • Inactivity
  • Discontinuance



Spanish- ionización

Latin- ionisation

Greek- ιονισμού

French- ionisation

Portuguese- ionização


First Known Use

The first known use of ionization was in 1891


Use cases

  • The scientists present as at the time felt a heat wave and saw the blue glow of air ionization.
  • Atomic radius, ionization energy, and electronegativity tend to follow patterns among members of the same group of elements.
  • We can roughly estimate the relative conductivities and degrees of ionization of the three bases thanks to the experiment.


Frequently Asked Question

What are ionization and example?

Positive ions are created by removing charge—typically electrons—from neutral atoms, whereas negative ions are created by depositing excess charge. Simplest ionizing examples include lightning, exposure to ultraviolet or ionizing radiation, or high voltage breakdown in gases.

What are the three types of ionization?

These include Atmospheric Pressure Chemical Ionization, Atmospheric Pressure Photoionization (APPI), Electrospray ionization (ESI) and Laser Desorption Ionization.

Ionization: what is it and why does it happen?

The atom is said to be ionized when one (or more) electrons are removed from or added to it, making it no longer electrically neutral and causing the formation of an ion. An atom can get ionized by electromagnetic radiation or by colliding with other objects (photoionization).

How is metal ionized?

Metals like iron, aluminum, and zinc are said to be oxidized when they interact with an acid because they surrender at least one electron to the hydrogen ion of the acid. The substance becomes ionized as a result of this.


Video Explanation of Ionization

This video will give you a further explanation of ionization and its process.



Since it can be used to forecast the strength of chemical bonds, ionization energy is significant. It plays a significant role in how synthetic medications work.

Its energy is a measurement of an element’s capacity to engage in chemical processes that call for the donation of electrons or the creation of ions. It is often connected to the type of chemical bonds that exist between the components in the compounds they form.




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