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Chemistry, 22.06.2019 08:20
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If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
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Chemistry, 22.06.2019 15:20
Identify arrows pointing to bonding electrons. done h-0-0-h ) intro
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Chemistry, 22.06.2019 20:00
How are the terms group and period used on the periodic table
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How could you tell if a sample of matter is a element...
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