55 分钟
The Brighterside of News on MSNRevolutionary study reshapes our understanding of atomic nucleiFor decades, scientists believed that lead-208 (²⁰⁸Pb), the heaviest known "doubly magic" nucleus, was perfectly spherical.
The answer key for the ISC Class 12 Chemistry exam 2025, will be released soon. This answer key will help students compare ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果