Why do metals conduct electricity?

True or False? Most metals have high melting points.

Metals are malleable because layers of ..........</ ions can ..........</ over each other without breaking the metallic bonds.

True or False? Molten ionic compounds and solid metals both conduct electricity using freely moving ions.

In a metal, the outer shell electrons are released from the atoms, becoming ..........</, and move freely throughout the ..........</ metallic lattice.

How do the physical properties of Group I metals differ from those of most other metals?