Different metals have differentarra

Different metals have differentarrangements of lions in the lttice.Do not worry too much about thiswhen drawing a diagram of a mาetal.As long as you draw the ions in aregular arrangerment that will be fine.When they come to write the symbolfor a metal such as sodium inequations, students who know aboutmetallic bonding sometimes worrywhether they should write it as Naor Na*. You write it as atoms, as Na.Thinking about the structure as awhole, the number af electrons exactlybalances the number of positivecharges. The metal as a whole carriesno charge.