National Chemistry Week is an annual event celebrated in the United States to promote the importance of chemistry in everyday life. Organized by the American Chemical Society, it typically takes place in the third week of October. The week features various activities, including hands-on experiments, educational programs, and community outreach, aimed at engaging the public and inspiring interest in the field of chemistry. Each year, National Chemistry Week has a specific theme that highlights a particular aspect of chemistry. Schools, universities, and local organizations participate by hosting events that encourage people of all ages to explore the wonders of chemistry and its impact on society and the environment.