What happens to an atom when it absorbs energy?

Enzymes affect the reactions in living cells by changing the

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

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