Which particle is emitted when an atom of 85kr spontaneously decays?
(1) an alpha particle (3) a neutron
(2) a beta particle (4) a proton

How many grams of mgbr2 are needed to produce 75g or metal?

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99

Which of the following is a chemical property of water at 4 c