If you have an element with 46 protons and 44 electrons, the net charge of the element is a. 0 b. +2 c. -2 d. not enough information

Express the following number in scientific notation. 0.026890 =

Classify this reaction: 2al+n2-> aln.

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