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2014-11-14T20:49:59+08:00

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The gaps were filled. Gallium was placed in the family of Boron and Aluminum while Germanium was placed in the family of Carbon and Silicon. The noble gases on the other hand, were arranged into a new family...

(This is the answer we get from our teacher when we performed the activity. The answer is very long but I made it short)

--Mizu
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