Metal atoms are held together strongly by metallic bonding in a giant metallic lattice
Within the metallic lattice, the atoms lose the electrons from their outer shell and become positively charged ions
The outer electrons no longer belong to a particular metal atom and are said to be delocalised
They move freely between the positive metal ions like a 'sea of electrons'
Metallic bonds are strong and are a result of the electrostatic attraction between the positive metal ions and the negatively charged delocalised electrons
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