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Chemistry, 22.06.2019 05:30, jzjajsbdb8035
Which other elements contain the same number of outer electrons as sodium
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Chemistry, 22.06.2019 09:00, valeriekbueno
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 13:00, netflixacc0107
Amixture with the same composition throughout is!
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