Pure metals tend to be weaker and more reactive than an alloy which is a

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

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

How many atoms are there in 5.70 mol of mg