The root cause of difficulty in understanding the periodic table and chemical elements among chemistry students can be attributed to several factors:1. Lack of prior knowledge: Students may have insufficient background knowledge in basic chemistry concepts, making it difficult for them to grasp the organization and significance of the periodic table.2. Complexity of the subject: The periodic table consists of 118 elements, each with its unique properties, atomic structures, and electron configurations. This can be overwhelming for students, especially when they are first introduced to the subject.3. Abstract concepts: Chemistry involves understanding abstract concepts such as atomic structure, electron orbitals, and chemical bonding. These concepts can be challenging for students to visualize and comprehend.4. Ineffective teaching methods: Traditional teaching methods, such as lectures and textbook readings, may not be engaging or effective for all students. This can lead to a lack of interest and motivation to learn the subject.To address these difficulties effectively, the following strategies can be employed:1. Build a strong foundation: Ensure that students have a solid understanding of basic chemistry concepts before introducing the periodic table. This will provide them with the necessary background knowledge to better comprehend the organization and properties of the elements.2. Break down complex concepts: Simplify complex concepts by breaking them down into smaller, more manageable parts. For example, introduce the periodic table by focusing on specific groups or periods, rather than attempting to cover all 118 elements at once.3. Use visual aids and hands-on activities: Incorporate visual aids, such as diagrams, models, and videos, to help students visualize abstract concepts. Hands-on activities, such as experiments and group projects, can also help students better understand and retain the material.4. Employ varied teaching methods: Utilize a variety of teaching methods, including lectures, discussions, and interactive activities, to cater to different learning styles and keep students engaged.5. Encourage active learning: Encourage students to ask questions, participate in discussions, and apply their knowledge to real-world situations. This will help them develop a deeper understanding of the subject and improve their problem-solving skills.6. Provide additional resources and support: Offer additional resources, such as study guides, online tutorials, and extra practice problems, to help students who may be struggling with the material. Providing one-on-one support or tutoring can also be beneficial for students who need extra assistance.