Using photoelectron spectroscopy, the ionization energy of the least tightly bound valence electron on Ar was determined to be 15.8 eV. Calculate the Z effective for this electron.

Which of these conditions most likely produces an unstable isotope?

Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these