What is the total number of electron pairs shared between the two atoms in an o2 molecule?
(1) 1 (3) 6
(2) 2 (4) 4

05.06 percent yield lab report answers

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

Of the following elements, which is the least reactive? a. c b. h c. li d. he