Which one of the following molecular formulas is also an empirical formula? H202
H2P406
C6H602
C2H6SO

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

What must occur for air masses to form fronts