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◉ Science·2 min·Updated Mar 11, 2026

What is Metallic Bond?

Metallic Bond

Quick Answer

A metallic bond is a type of chemical bond that occurs between metal atoms. In this bond, electrons are shared freely among a lattice of metal ions, allowing metals to conduct electricity and heat effectively.

Overview

Metallic bonds are formed when metal atoms come together and share their outermost electrons. Unlike covalent bonds, where electrons are shared between specific atoms, metallic bonds allow electrons to move freely throughout the metal structure. This 'sea of electrons' is what gives metals their unique properties, such as electrical conductivity and malleability. In a metallic bond, the positively charged metal ions are surrounded by a cloud of delocalized electrons. These electrons are not tied to any specific atom, which enables them to move easily. This movement of electrons is what allows metals to conduct electricity; when a voltage is applied, the electrons flow through the metal, carrying an electric current. An everyday example of metallic bonding can be seen in copper, which is widely used in electrical wiring. The metallic bonds in copper allow it to conduct electricity efficiently, making it a preferred choice for electrical applications. Understanding metallic bonds is important in chemistry because they explain many of the physical properties of metals and their behavior in different chemical reactions.

Frequently Asked Questions

Materials with metallic bonds are typically good conductors of electricity and heat. They are also malleable and ductile, meaning they can be shaped and stretched without breaking.
Metallic bonds involve the sharing of electrons among many atoms, while ionic bonds occur between positively and negatively charged ions, and covalent bonds involve the sharing of electrons between specific pairs of atoms. Each type of bond results in different properties for the materials formed.
Metallic bonds can be disrupted under certain conditions, such as extreme heat or pressure. However, metals typically maintain their structure and properties due to the strong attraction between the metal ions and the sea of electrons.