Which of the elements below will form an anion? B (Boron)
CI (Chlorine)
Ca (Calcium)
Fe (Iron)

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?

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.