A0.10-cm3 sample of a solution containing a radioactive nuclide (5.0 × 103 counts per minute per milliliter) is injected into a rat. several minutes later 1.0 cm3 blood is removed. the blood shows 50. counts per minute of radioactivity. calculate the volume of blood in the rat. volume = ml

During which time interval does the object travel approximately 10 meters

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?

How are the terms group and period used on the periodic table