Fa scientist took a geiger counter into a laboratory and measured a very high reading, this would indicate that

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?

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Acontrol during an experiment. might change remains constant does not exist does change