What is the name given to the property of metal that allows electricity to pass through.

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?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal