Understanding Atomic Structure: Oxygen, Sulfur, Selenium, Tellurium & Polonium Explained This instructional video breaks down the atomic structure of five important elements: oxygen, sulfur, selenium, tellurium, and polonium. Designed for grade 8 students, it explains atomic number, atomic mass, electrons, protons, and neutrons with clear visuals and examples. Learn how these atomic components influence each element's unique properties and real-world uses. Perfect for enhancing your science know

99.Two-Dimensional Tellurium: Progress, Challenges, and Prospects Highlights Physical Properties of the two-dimensional tellurium were discussed in detail, including electrical properties, optical properties, thermoelectric properties, and outstanding environmental stability. Emerging applications based on atomically thin tellurene flakes were presented, such as photodetector, transistors, piezoelectric device, modulator, and energy harvesting devices. The challenges encountered and prospects we