There are several factors that can affect a student's understanding of the periodic table and chemical elements. Some common factors include:1. Prior knowledge: A student's prior knowledge of chemistry, including basic concepts and vocabulary, can significantly impact their ability to understand the periodic table and chemical elements. If they lack foundational knowledge, it may be more challenging for them to grasp more complex concepts.2. Teaching methods: The effectiveness of the teaching methods used to introduce the periodic table and chemical elements can greatly influence a student's understanding. Engaging, interactive, and clear explanations can help students better comprehend the material.3. Learning styles: Different students have different learning styles, and some may find it easier to understand the periodic table and chemical elements through visual aids, while others may prefer auditory or hands-on learning experiences.4. Cognitive abilities: A student's cognitive abilities, such as their memory, attention, and problem-solving skills, can impact their understanding of the periodic table and chemical elements. Students with stronger cognitive abilities may find it easier to grasp and retain the information.5. Motivation and interest: A student's motivation and interest in chemistry can play a significant role in their understanding of the periodic table and chemical elements. Students who are more motivated and interested in the subject are more likely to engage with the material and develop a deeper understanding.6. Language barriers: For students who are not native speakers of the language in which the periodic table and chemical elements are being taught, language barriers can make it more difficult to understand the material.7. Classroom environment: A supportive and conducive classroom environment can help students feel more comfortable asking questions and seeking clarification, which can improve their understanding of the periodic table and chemical elements.8. Time and practice: Understanding the periodic table and chemical elements often requires time and practice. Students who have more opportunities to engage with the material and practice their skills are more likely to develop a deeper understanding.9. Real-life connections: Making connections between the periodic table, chemical elements, and real-life applications can help students better understand the relevance and importance of the material, which can improve their understanding and retention of the information.