Ba2+ and Cu2+, and Sr2+ and Li+
Active is more active which means it's in person
white phosphorus is used in flares and explosives, so may be important in warfare, etc. Red phosphorus is used in matches (side of matches) and in fertilizers which are essential to growing plants. I don't know if that is economically important, but there are many ways that phosphorus benifit the economy. One downside on the economy is that phosphorus is one of the main ingredients in meth, which of course causes trouble for the economy ( law enforcement, medical, etc. )
P=18000000/6 zeros. not sure how to do rest
Cell theory was discovered from the scientist
