I apologize, but I couldn't find the specific details for the Yemen Grade 12 Chemistry (Scientific) curriculum using the available tools. While I found some general information about education in Yemen and some resources related to science education, the precise curriculum remains elusive. The Ministry of Education website ( may contain further information, but I am unable to access and process information from websites directly. I also located an archive of Yemeni textbooks ( which might contain the relevant textbook, but I cannot access and review the contents of external websites.