Answers: 2
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?
Answers: 1
Chemistry, 23.06.2019 00:30, mathwiznot45
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
Answers: 1
Chemistry, 23.06.2019 02:20, alejandraluna95
Why dose heating increase the speed at which a solution dissolved in water
Answers: 1
In the electron dot notation be: , the two dots represent valence electrons in the s sublevel. true...
Mathematics, 04.10.2020 23:01
Mathematics, 04.10.2020 23:01
Mathematics, 04.10.2020 23:01
Mathematics, 04.10.2020 23:01
Mathematics, 04.10.2020 23:01