Describe and explain the bonding in aluminium
Answers
Answer:
Aluminum foilA sheet of aluminum foil is made up of metallic bonds. Metallic bonds are mediated by strong attractive forces. This property contributes to the low volatility, high melting and boiling points, and high density of most metals. The group-XII metals zinc, cadmium, and mercury are exceptions to this rule.
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Explanation:
Metals
Metals are malleable - they can be bent and shaped without breaking. This is because they consist of layers of atoms that can slide over one another when the metal is bent, hammered or pressed.
Metallic bonds
Metals form giant structures in which electrons in the outer shells of the metal atoms are free to move. The metallic bond is the force of attraction between these free electrons and metal ions. Metallic bonds are strong, so metals can maintain a regular structure and usually have high melting and boiling points.
Delocalised electrons moving freely among an array of tightly packed metal atoms.
Metals are good conductors of electricity and heat. This is because the delocalised electrons can move throughout the metal.