5. Due to its strength and lightweight, magnesium is often used in the construction of racing cars and missiles. Magnesium consists of three
isotopes in the following percentages: 78.99 %magnesium-24, 10.00 %
magnesium-25, and 11.01 % magnesium-26*
24.51 amu
23.41 amu
24.32 amu
24.40 amu

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

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 statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.