Element Revision Corridor

Actinium (Ac) Study Guides

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Actinium (Ac) - Revision Guide

Comprehensive revision guide on Actinium (Ac), covering its properties, periodic table placement, radioactivity, and scientific importance for JEE/NEET/CBSE/ICSE.

Actinium Ac Chemistry

Atomic Number 89

Actinium (Ac)

actinide

Technical Parameters

Atomic Mass: [227]
Period / Group / Block: P7 / GActinides / d-block
Standard State: solid
Configuration: [Rn] 6d17s2
Electronegativity: 1.1

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