Which of the following states that an orbital can contain two electrons only if all other orbitals at that sublevel contain at least one electron? 8

Select the atomic models that belong to the same element

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

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