KIBU2020-05-222020-05-222018-10-11http://erepository.kibu.ac.ke/handle/123456789/2054SCH 311: Comparative study of transition elementsenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/SCH 311: Comparative study of transition elementsSCH 311: Comparative study of transition elementsSCH 311Comparative study of transition elementsOther