Each family in the periodic table has its own characteristic properties based on the number of what

Matches the chemical name of each oxide of phosphorus to its chemical formula

How does the motion of particles in a gas change as the gas cools

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