16. INFER: Magnesium and Sodium atoms are about the same size. How does the size of a magnesium ion with a 2+ charge compare with that of a sodium ion with a single (+) charge?

Which is a character of nuclear fusion but not nuclear fission

1. list three scientific reasons cockroaches may fly.

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