Which element in each pair below has the higher first ionization energy? a) Mg, P b) Se , O c) F, Br d) Li, Na

a) P b) O c) F d) Na

a) P b) O c) F d) Li

a) Mg b) O c) F d) Li

a) P b) Se c) F d) Li

The data below were determined for the reaction shown below. s2o82– + 3i – (aq) → 2so42– + i3– expt. # [s2o82–] (m) [i –] (m) initial rate 1 0.038 0.060 1.4 × 10 – 5 m/s 2 0.076 0.060 2.8 × 10 – 5 m/s 3 0.076 0.030 1.4 × 10 – 5 m/s the rate law for this reaction must be: