What is the formula for diboron dioxide

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

Which property of water causes water drops to bead on a freshly waxed car?

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!