the periodic table ch 15

periodic table with example of elements
the periodic table crash course vid
periodic definition
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3-d periodic table site
3-d periodic table cut out 1
3-d periodic table cut out 2
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elements and their uses video
flame test chart
electron excitation
electron excitation 2
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large hadron collider
large hadron collider (simple)
large hadron collider explained
drone fly through LHC

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extra credit: (due by friday May 1)
1.find links to images of alternate forms of the periodic table (like the cylinder one discussed in the vid 

2. post the links in the comment section, be sure to have your name in the comment if you post anonymously (so I can give you credit)