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The outer electronic configuration of the radioactive element present in the IA group is:A. $8{{s}^{1}}$ B. $7{{s}^{1}}$ C. $5{{s}^{1}}$ D. $6{{s}^{1}}$
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f block Elements - Lanthanides and Actinides - Periodic Table
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List of Radioactive Elements - Science Struck
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A List of Radioactive Elements
![38 Radioactive Elements and What They Are Used For [Infographic]](https://infographicjournal.com/wp-content/uploads/2020/04/38-Radioactive-Elements-feat.jpg "38 Radioactive Elements and What They Are Used For [Infographic]")
38 Radioactive Elements and What They Are Used For [Infographic]
![Actinium, on the periodic table. Radioactive... - Stock Illustration [94272079] - PIXTA](https://en.pimg.jp/094/272/079/1/94272079.jpg "Actinium, on the periodic table. Radioactive... - Stock Illustration [94272079] - PIXTA")
Actinium, on the periodic table. Radioactive... - Stock Illustration [94272079] - PIXTA
