General Science • ChemistryMedium
Which of the following elements is a radioactive transition metal belonging to the actinide series?
A. Uranium✓ Correct Answer
B. Radium
C. Polonium
D. Francium
💡 Solution & Explanation
Uranium is classified as a radioactive actinide series element and exhibits properties of a d-block transition metal within the periodic table. Elements like Radium are alkaline earth metals, while Francium belongs to the alkali metal family. Uranium plays a critical role in nuclear power generation and defense technology due to its fissile isotopes.
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