Non-major chemistry-1| তেজস্ক্রিয় মৌলের অর্ধায়ু কাকে বলে? ক্ষয় ধ্রুবক ও অর্ধায়ুর মধ্যে সম্পর্ক।

📌 Avolab – A reliable platform for learning higher chemistry Welcome to the Avolab YouTube channel! 🎓 This channel is mainly created for students of the National University and seven colleges affiliated to Dhaka University. Here you will find complete and easy-to-understand video lectures on Chemistry, which are very helpful for honors and degree level students. 📚 Topics covered: 🔹 Honors 1st Year 🔹 Honors 2nd Year 🔹 Honors 3rd Year 🔹 Honors 4th Year 🔹 Degree Courses 🔹 Masters Level Chemistry 🧪 Subjects covered: ✔️ Physical Chemistry ✔️ Organic Chemistry ✔️ Inorganic Chemistry ✔️ Analytical Chemistry ✔️ and other important topics 💡 In each video, complex topics are explained in a simple way, so that students can understand better on their own and score well in the exam. 🔔 Subscribe to the channel and press the Bell Icon to get regular updates 👍 Like the video if you like it 💬 Ask your questions in the comments 📤 Don't forget to share with friends 📞 Contact: 📱 WhatsApp: 01739916605 (For Class/Notes/Help) 🌐 Facebook Page:   / ⁠   🎯 Avolab's mission: To make higher chemistry easy, understandable and accessible to all students.