When you rub your hands together on a cold day you use friction convert

As you move from right to left on the periodic table the atomic radius fill in the blank

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

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?