Hydrogen has an average atomic mass of 1.008 amu and has 3 known isotopes (Hydrogen-1. Hydrogen-2, and Hydrogen-3), which isotope is the most abundant? Justi

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy