Visit periodictable.com and find the alkali brothers on the far western shore of the periodic kingdom.
Find sodium. (Watch sodium blow up here.) Find chlorine in the halogen family. Can they be paired up? What do they produce? Read Ellen McHenry's chapter explaining the properties of sodium and chlorine.
Find the 'cousins' of the alkali brothers: magnesium and calcium. Read the chapter to find out their special bonding abilities.
Here's the flame test she refers to in this chapter.
And for review... the Periodic Table game at Funbrain.
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