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This qualitative research aimed to investigate the expert teacher’s views on Teaching the chemical bonding concept. Data were collected through semi-structured interviews including five components of instructional about content, the objective of instruction, instruction activities, instruction materials, and learning
assessment. The development process semi-structured interview was examined by peer review and tried out. Data were analyzed using content analysis and was examined credibility by member checking and peer debriefing. The first finding indicates is the nature of chemical bonding is microscopics and abstract that difficult to see also the teacher should teach chemical bonding by 3D models to encourage students to visualize at the microscopic level. Second is teaching objective focus student’s understanding of physical and chemical properties of matter. The third is Instructional design based on scientific inquiry for students to create scientific representations by themselves. Fourth is should apply applications on mobile are
instructional media. Including learning assessment might use concept test and apply technologies that mainly students have been a more deep understanding.
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