actinides

核心释义

1. 1.

   元素周期表中从锕到铹的15种放射性元素之一,位于镧系之下,化学性质与镧系相似。

   Any of the 15 radioactive elements of the periodic table from actinium to lawrencium that are positioned under the lanthanides, to which they have similar chemistry.

2. 2.

   从锕到锘的14种元素之一(铹被一些作者排除,因为它属于d区而非f区元素)。

   Any of the 14 elements from actinium to nobelium (lawrencium is excluded by some authors as it is a d-block rather than an f-block element).

从锕到锘的14种元素之一(铹被一些作者排除,因为它属于d区而非f区元素)。；锕类