Culture and Discovery

New element honors Polish pioneer

作者：21ST

THERE’S officially a new element (元素) in town and its name is copernicium, after the 16th-century Polish scientist Nicholas Copernicus. It is element 112 and its symbol is Cn.

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期高三尊享卡用户，我们开放所有内容：
如果您拥有以上权限，请点这里登录；
订阅电子报，请点这里；
激活VIP教师卡，请点这里；
激活21英语尊享卡，请点这里。