An atom of aluminum with a mass number of 24 and an atomic number of 13 has a total of

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

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?