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NEET UG 2026 » NEET UG Study Material » Chemistry » Ionic Bond
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Ionic Bond

Ionic bonds are essentially the most severe form of polar covalent bonds, the electrostatic force and its characteristics and opposing charges.

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Ionic bonding is a form of chemical bonding that includes the electrostatic attraction of oppositely charged ions or two atoms with drastically differing electronegativity, and it is the dominant interaction in ionic compounds. It is one of the most common forms of bonding, along with covalent bonding and metallic bonding, and it is used in many applications. Ions are atoms (or groups of atoms) that have an electric charge on their surface or in their surroundings. Atoms that acquire electrons form ions that are negatively charged (called anions). When atoms lose their electrons, they become positively charged ions (called cations). Electrovalence is the term used to describe this transfer of electrons, as opposed to covalence. However, while the cation is often a metal and the anion is typically a non-metal, these ions can be more complicated in nature, such as molecular ions like NH4+ or SO42- in the most basic of cases. A basic explanation is that an ionic bond is formed when electrons are transferred from a metal to a non-metal in order to achieve a complete valence shell for both atoms in the bond.

Ionic bonds are essentially the most severe form of polar covalent bonds, with the latter coming from uneven sharing of electrons rather than total electron transfer as the underlying mechanism. Ionic bonds are formed when there is a significant difference in the electronegativity of the two atoms, whereas covalent connections are formed when the electronegativities of the two atoms are equal. 

Any atom or group of atoms that possesses one or more positive or negative electrical charges is referred to as an ion. Positively charged ions are referred to as cations, whereas negatively charged ions are referred to as anions. Neutral atoms or molecules or other ions can be formed either by adding or removing electrons from them; by combining ions with other particles can also be formed; or by rupturing a covalent bond between two atoms in such a way that both of the bond’s electrons are left in association with one of the atoms with which they were previously bonding can be formed. Some examples of these processes are when a sodium atom reacts with a chlorine atom to make a sodium cation and a chloride anion; when a hydrogen cation is added to an ammonia molecule to make an ammonium cation; and when a water molecules breaks down to make a hydrogen cation and a hydroxide anion.

Electrostatic Force 

The electrostatic force is the attraction or repulsion force that occurs between two charged particles when they come into contact with one another. Coulomb’s interaction, or Coulomb’s force, is another name for this phenomenon. An atom’s stability, for example, is determined by the electrostatic force between its protons and electrons, which exists between them. The electrostatic bonding force is important, since it is responsible for connecting an ionic molecule together.

The characteristics of electrostatic force

The electrostatic force has several facts and features, which are listed below:

  • Charges that are similar repel each other, whereas charges that are diametrically opposed attract

  • The product of two point-charges is directly proportional to the total.

  • The distance between the charges is inversely proportional to the distance between the charges.

  • Acts in a manner that is in the middle between the two charges

Some Examples of these forces are as follows:

  • When a balloon is touched with human hairs and brought close to another balloon, the two balloons begin to adhere to one another, forming a bond.

  • It is automatic that after ironing a silk or cotton garment, it will adhere to the body.

  • Lightning can also occur as a result of electrostatic attraction.

The two oppositely charged ions together

An ionic bond is an electrical attraction between two nearby, oppositely charged ions that forms when their charges are opposite. Atoms in crystalline solids are held together by ionic bonds, which can exist in isolation or as enormous networks connecting atoms. Ionic bonds can develop when two ions come into touch with one another, or they can form when two uncharged atoms react with one another to generate oppositely charged ions. Ionic bonds can also form when two ions come into contact with one another. In the latter circumstance, the more-electronegative atom depletes an electron from the less-electronegative atom, resulting in the formation of an anion and a cation that are electrostatically attracted to one another, respectively

The majority of covalent bonds are formed when two atoms create a bond and their electronegativity difference is less than 1.7. Covalent bonds are formed when electrons are shared between the two atoms. In contrast to ionic bonds, in which only one of the atoms assumes primary ownership of the electron, covalent bonds allow both atoms to share the electron. Covalent bonds are responsible for the majority of the chemical bonds that hold together the molecules of life. Some covalent bonds are formed as a result of uneven electron sharing between atoms. Even in these so-called polar covalent bonds, the electronegativity difference is less than 1.7 despite the fact that they are polar.

One covalent bond is formed when two valence electrons are shared by the two atoms that are bound together. In the case of water, one oxygen atom is joined to two hydrogen atoms by single covalent connections, while the other two hydrogen atoms are related to one another through double covalent bonds.  

Conclusion

Chemistry tells us that an ionic bond is made up of different types of electronegativity. If the attraction is between two oppositely charged ions, then it is called a polar bond. This is a lot like how magnets work together. In order for two atoms to make an ionic bond, they need to have different electronegativity values, which is why. Also, when sodium and chloride are mixed together, NaCl is formed, too. This is a very good example of an ionic bond, and it’s very strong. Another example is sulphuric acid, which is made when hydrogen and sulphur oxide are mixed together.

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Explain Ionic bond.

Ans. Ionic bonding is a form of chemical bonding that includes the electrostat...Read full

Define ion.

Ans. Any atom or group of atoms that possesses one or more positive or negative electrical charges is referred to as...Read full

What are the features of electrostatic force?

Ans. The electrostatic force features are listed below: ...Read full

Explain the two oppositely charged ions together.

Ans. An ionic bond is an electrical attraction between two nearby, oppositely charged ions that forms when their cha...Read full

Write a few examples of electrostatic force.

Ans. Examples of electrostatic forces are: ...Read full

Ans. Ionic bonding is a form of chemical bonding that includes the electrostatic attraction of oppositely charged ions or two atoms with drastically differing electronegativity, and it is the dominant interaction in ionic compounds.

Ans. Any atom or group of atoms that possesses one or more positive or negative electrical charges is referred to as an ion. Positively charged ions are referred to as cations, whereas negatively charged ions are referred to as anions.

Ans. The electrostatic force features are listed below:

  • Charges that are similar repel each other, whereas charges that are diametrically opposed attract
  • The product of two point-charges is directly proportional to the total.
  • The distance between the charges is inversely proportional to the distance between the charges.
  • Acts in a manner that is in the middle between the two charges

Ans. An ionic bond is an electrical attraction between two nearby, oppositely charged ions that forms when their charges are opposite. Atoms in crystalline solids are held together by ionic bonds, which can exist in isolation or as enormous networks connecting atoms. Ionic bonds can develop when two ions come into touch with one another, or they can form when two uncharged atoms react with one another to generate oppositely charged ions.

Ans. Examples of electrostatic forces are:

  • When a balloon is touched with human hairs and brought close to another balloon, the two balloons begin to adhere to one another, forming a bond.
  • It is automatic that after ironing a silk or cotton garment, it will adhere to the body.
  • Lightning can also occur as a result of electrostatic attraction.

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