The research about Reading, Mind Mapping, and Sharing (RMS) learning model has been done in SMAN 2 Pekanbaru. The purpose of study is to improve learning outcome of learners on the subject of periodic system of elements in class X science SMAN 2 Pekanbaru. The type of research is experimental research with randomized control group pretest-posttest design. The sample of the study consisted of 2…