How is an element's most likely oxidation state related to its valence electrons?

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

Table sugar completely dissolved in water is an example of a?

How many moles of oxygen react with 12 moles of aluminum