Atoms react to get a ____ outer shell of ____. This is a stable arrangement and matches the layout of atoms in group ____. There are three different types of bonds: metallic, ____ and ionic. Metals take part in ____ bonding. Non-metals take part in covalent bonding and non-metals and metals take part in ____ bonding. In metallic bonding the outer electron come from the ____ shell and moves between the metal ions, forming a ‘sea of ____ electrons. In covalent bonding the atoms ____ electrons to get a full outer shell. They form ____. In ionic bonding ____ are formed when metal atoms ____ electrons to non metal atoms. Metals make ____ ions and non-metals make negative ions. These attract together to make a lattice.

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