Graphite and iodine have
Answers
Answer:
Because graphite and iodine have free electrons. When sunlight falls on such surface, free electrons getc vibrated and reflect light.
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Why do graphite and iodine shine?
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Jay Tee Bosh
Answered September 25, 2018
Graphite shines because of its orderly lattice structure reflecting light. Graphite is also conductive to electricity. Iodine on the other hand shines because of the increased size of the atom being near the bottom of its group in the periodic table. Most elements are metals and nonmetals occupy one right hand corner of the periodic table. Any nonmetal group (IV-VII) exhibits more metallic characteristics as you go further down the group. Examples; carbon to lead,nitrogen to Antimony, oxygen to polonium etc. Group VII is no different. Fluorine a light extremely reactive nonmetal has all the way to iodide a nonmetal brittle solid with metallic luster.