Which elements are out of order in terms of atomic mass. co, Ni or Li, be or I, xe​

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

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: