Plz hurry!! When an electron moves from a lower to a higher energy level, the electron
A absorbs a continuously variable amount of energy
B always doubles its energy
C moves closer to the nucleus
D absorbs a quantum of energy

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