are all the electrons on the outer-shell donated in metallic bonding
are all the electrons on the highest energy level donated in metallic bonding.e.g. titanium has two electrons in 3d sub-shell, so does it lose those 2 electrons? or is it that 1 electron is removed from the outer-shell could you also give an explanation please 
They aren't donated as such.
The neutral metallic atom loses all it's electrons to become a positive ion with a full outer shell, equivalent to that of the group 0 atom in the period above. These free electrons then form the sea of delocalised electrons, and, as you should know. Metallic bonds are 'Electrostatic forces of attraction between a positively charged metal ion and the delocalised electrons'.
The neutral metallic atom loses all it's electrons to become a positive ion with a full outer shell, equivalent to that of the group 0 atom in the period above. These free electrons then form the sea of delocalised electrons, and, as you should know. Metallic bonds are 'Electrostatic forces of attraction between a positively charged metal ion and the delocalised electrons'.
Original post by Gogregg
They aren't donated as such.
The neutral metallic atom loses all it's electrons to become a positive ion with a full outer shell, equivalent to that of the group 0 atom in the period above. These free electrons then form the sea of delocalised electrons, and, as you should know. Metallic bonds are 'Electrostatic forces of attraction between a positively charged metal ion and the delocalised electrons'.
The neutral metallic atom loses all it's electrons to become a positive ion with a full outer shell, equivalent to that of the group 0 atom in the period above. These free electrons then form the sea of delocalised electrons, and, as you should know. Metallic bonds are 'Electrostatic forces of attraction between a positively charged metal ion and the delocalised electrons'.
wait...wat???...
Original post by Frank Peters
wait...wat???...
The metal atom will lose as many electrons as it takes to have no more electrons in that energy level, if that makes sense?
i.e. Aluminium is in group 3, so it will lose 3 electrons to form an Al3+ ion, which has the same electron number as Neon.
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