metallic bonding

• electrons in outer shell of metal atoms are delocalised
• there is strong electrostatic forces of attraction between the positive metal ions and shared negative electrons
• electrostatic forces of attraction hold atoms together in a regular structure known as metallic bonding
• electrostatic forces of attraction between positive metal ion and electrons are very strong so compounds with metallic bonding have high mellting points
• high melting points means compounds with metallic bonds are solid at room temp
• the delocalised electrons carry a charge through the structure cause conduction of electricity
• most metals are malleable and ductile, meaning they can be hammered into thin sheets
• alloys are a mixture of two or more elements or a metal and another element
• alloys cause the layers of metal atoms to distort ,making it harder for them to slide over each other making alloys harder than pure metals