Metals, Non-metals, and Metalloids

Today's Hook: a video demonstrating the reactivity of alkali metals:





Click here to visit today's voicethread presentation.  For independent practice, please pick one of the materials and evaluate whether it is a metal, non-metal, or metalloid.  Leave a comment explaining and defending your choice.  Respond to one other person's comment and tell them if you agree or disagree with their decision and explain why.

Additional Resources:

http://www.nelsonthornes.com/secondary/science/scinet/scinet/reaction/react/periodic.htm

http://www.chemicalelements.com/