Explain what is happening on the atomic level (electrons, energy levels) when barium and nitrogen bond. Be sure to discuss the formation of the ions and provide an illustration with your explanation.

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

What happens to isotopes that are unstable?

What metric units would you use to measure the thickness of a key