Lculate the mass, in grams, of a single tellurium atom (mTe m
T
e
= 127.60 amu
a
m
u
).
Express your answer using four significant figures.

What forms when chemical reactions combine pollution with sunlight?

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

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