Periodic trends in bonding and structure : metallic bonding

https://www.youtube.com/watch?v=iWWfbWJ-QMw

Key ideas about giant metallic lattice

The cations are fixed in place , cannot move

The delocalised electrons are free to move, so good conductors of electricity as solid and liquid

Why do metals have relatively high melting and boiling points.

Strength of the metallic bonds, delocalised electrons have strong electrostatic attraction to the cations

Takes alot of energy to overcome the attraction ,this means that metals generally have high melting and boiling points.

Final property of metals

They do not dissolve, when metal is added to water, the metal simply reacts with water rather than dissolving.

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