Polonium-208 undergoes alpha decay. In addition to the alpha particle, which isotope is a product of the reaction?

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

When a septic tank backs up a goes in to clean it out

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.