Difficulties of Class X High School Students in Palangka Raya City in Understanding the Concept of Lewis Structures Using Two-Tier Multiple Choice Instruments

  • Elma Kristiana Palangka Raya University
  • Suandi Sidauruk Palangka Raya University
  • Ruli Meiliawati Palangka Raya University
Keywords: difficulties, concepts, Lewis structures

Abstract

Lewis structure is a sub-material that exists in chemical bonding material that is not mastered by students, so a diagnostic test is needed to reveal the difficulties experienced by students. This study aims to describe the difficulties of class X high school students in Palangka Raya City in understanding the concept of Lewis structure which is traced using two tier multiple choice instruments. The subjects of this study were students of class X from Public Senior High School 1 Palangka Raya, Public Senior High School 3 Palangka Raya and Public Senior High School 4 Palangka Raya with the total number of research subjects being 346 students. This research was conducted in the 2018/2019 academic year. Student difficulties were captured using the Lewis Structure Concept Understanding Test (TPKSL) in the form of reasoned multiple choice questions (Two Tier Multiple Choice) and interviews to confirm the difficulties experienced by students. The results showed that the difficulty of students in state high schools in the city of Palangka Raya in understanding the concept of Lewis structure with the smallest to the largest percentage of difficulties was to determine the electron configuration by 65.59%, determine the valence electron by 67.33%, determine the Lewis symbol by 67.33 %, and determine Lewis's structure 69.37%.

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Author Biographies

Elma Kristiana, Palangka Raya University

Chemistry Education Study Program, Department of Mathematics and Natural Sciences, FKIP, University of Palangka Raya, Indonesia

Suandi Sidauruk, Palangka Raya University

Chemistry Education Study Program, Department of Mathematics and Natural Sciences, FKIP, University of Palangka Raya, Indonesia

Ruli Meiliawati, Palangka Raya University

Chemistry Education Study Program, Department of Mathematics and Natural Sciences, FKIP, University of Palangka Raya, Indonesia

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Published
2020-04-01
How to Cite
[1]
Kristiana, E., Sidauruk, S. and Meiliawati, R. 2020. Difficulties of Class X High School Students in Palangka Raya City in Understanding the Concept of Lewis Structures Using Two-Tier Multiple Choice Instruments. Jurnal Ilmiah Kanderang Tingang. 11, 1 (Apr. 2020), 200-208. DOI:https://doi.org/10.37304/jikt.v11i1.87.