How many moles of Fe are needed to produce 6.75mol Fe, oz, when it reacts with excess O,?
_ Fe +_ _ - _ Fe, o,
13.5mol Fe}

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

What are the two largest greenhouse gases