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Hydrogen: Jurnal Kependidikan Kimia (Hydrogen: Journal of Chemistry Education, e-ISSN: 2656-3061 & p-ISSN: 2338-6487) is an open-access scientific periodical journal published by the Department of Chemistry Education, Faculty of Applied Science and Engineering, Mandalika University of Education. It contains research and review articles covering studies in chemistry education at schools, higher education, and communities and pure or applied studies in chemistry.
All submitted manuscripts will be subjected to the peer-review process following a thorough inspection by the editors. The journal is published in both printed and online versions. The online version is free to access and download. Hydrogen: Jurnal Kependidikan Kimia (Hydrogen: Journal of Chemistry Education) was first published in 2013. During the period of 2013-2022, Hydrogen was published twice a year (June and December). Due to a large amount of interest from the author, Hydrogen publishes bimonthly in February, April, June, August, October, and December starting by 2023. Authors across the globe are welcome to submit their papers to the prestigious journal by fulfilling the requisite criterion. Every manuscript sent to the editorial office of the journal ought to follow the writing guidelines. If the manuscript does not meet the guidelines or is written in a different format, the article will BE REJECTED before further review. Only submitted manuscripts that meet the journal's format will be processed further.
Hydrogen: Jurnal Kependidikan Kimia (Hydrogen: Journal of Chemistry Education) collaborated with: LPPM UNDIKMA
This journal has been ACCREDITED by the National Journal Accreditation (ARJUNA) Managed by the Ministry of Education, Culture, Research, and Technology, Republic Indonesia with Fourth Grade (SINTA 4) starting from 2022 to 2026. Decree Number: 1429/E5.3/HM.01.01/2022
Hydrogen: Jurnal Kependidikan Kimia (Hydrogen: Journal of Chemistry Education) provides immediate OPEN ACCESS to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. All published articles will be assigned with DOI (Digital Object Identifiers). The DOI of the journal is https://doi.org/10.33394/hjkk.xxxxx.xxxx

Vol 11, No 5 (2023): October 2023
Table of Contents
Articles
Ethnochemistry: Exploring the Silk Ecoprint Steaming of Kampung Sabbeta as a Source of Learning Chemistry
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Nur Yusaerah, Novia Anugra, Desy Anwar, Nurfadillah Nurfadillah
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593-607
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Implementation of Expository Learning Integrated with Active Students Learning Strategy to Improve Learning Outcomes in Stoichiometry
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Ion Wijaya, Muchlis Muchlis, Ariwati Wahyu Mumpuni
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608-617
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Science Literacy-Based Student Worksheets to Improve Critical Thinking Skills on Acid-Base Materials
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Eka Haslinda Fatmawati, Rusmini Rusmini
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618-631
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The Analysis of Science Process Skills (SPS) of 11th Grade Science Students
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Elvy Rahmi Mawarnis, Ilham Akbar, Mimi Herman
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632-644
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Implementation of the PBL-STEM Model to Improve Students' Critical Thinking on Reaction Rate Material
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Putri Fritami Ata, Agung Rahmadani, Farah Erika
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645-652
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Development of Google Site-Based E-LKPD to Improve Students' Understanding of Ion Bond Material
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Arit Arit, Masriani Masriani, Maria Ulfah, Rahmat Rasmawan, Rody Putra Sartika
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653-665
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Efektivitas Model Pembelajaran Berbasis Proyek terhadap Pemahaman Konsep pada Materi Larutan Asam Basa
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Sholahuddin Sholahuddin, Raudhatul Fadhilah, Dedeh Kurniasih
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666-675
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The Analysis of Chemistry Test Item Difficulty on XI MIPA Year-End Assessment at SMAN 8 Pontianak
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Pitra Dewi, Hairida Hairida, Rahmat Rasmawan, Masriani Masriani, Tulus Junanto
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676-685
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Development of Discovery Learning-Based Student Worksheets on Chemical Equilibrium Material
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Nita Februanti, Rachmat Sahputra, Rody Putra Sartika
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686-697
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Development of Problems for Higher Order Thinking Skill (HOTS) e-Test on Additive Substance Subject Material
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Ina Wulandari, Hairida Hairida, Rahmat Rasmawan, Eny Enawati, Rini Muharini
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698-709
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Ethno-chemistry: Relevance Analysis of Electron Valence Subject Material to Sasak Local Wisdom as a Chemistry Learning Resource
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Kholid Khairul Umam, Dwi Wahyudiati
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710-719
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Description of Problem Solving Ability of Class X Students of Al-Azhar 10 Pontianak Islamic High School on Chemical Bonding Subject Material
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Tri Indri Yani, Eny Enawati, Tulus Junanto, Rini Muharini, Rahmat Rasmawan
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720-732
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Content Structure Analysis of Merdeka Curriculum on Chemical Equilibrium Topic in F Phase
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Siti Sarah, Faizah Qurrata Aini, Zonalia Fitriza
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733-742
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The Effect of Concentration of Titanium Dioxide Nanoparticles on Their Antibacterial Activity in the Synthesis of Polyurethane Biopolymers
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Andi Budirohmi, Yanti Mustari, Yunita Suriani, Vivi Adriana, Hasnah Natsir
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743-750
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Sintesis Selulosa Asetat dari Sabut Buah Lontar (Borassus flabellifer Linn) dengan Variasi Volume Anhidrida Asetat
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Matius Stefanus Batu, Risna Erni Yati Adu, Lourenco Pereira Soares
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751-758
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Pengembangan Model Pembelajaran Sains Berorientasi Literasi Sains bagi Mahasiswa Calon Guru Kimia
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Tulus Junanto, Rody Putra Sartika
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759-770
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Deskripsi Disiplin dalam Pembelajaran Kimia Siswa MAN 1 Sintang
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Yunita Puspasari, Tulus Junanto, Andi Ifriany Harun, Eny Enawaty, Rahmat Rasmawan
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771-788
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Inquiry Ability Profile of SMAN 8 Pontianak Students on Salt Hydrolysis Subject Material
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Fifi Alaida, Erlina Erlina, Ira Lestari, Rachmat Sahputra, Maria Ulfah
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789-802
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