O nome oficial do composto abaixo é: * 2,2,4-trimetilpentano.
2,2,3-trimelpentano.
2,2-dimetilpentano.
2,4,4-trimetilpentano.
2-metilpentano

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

  the mississippians were considered to be  horticulturalists, which means they were

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