Question

4. In which period the Actenides exist ? Answer​

Answer 1

Answer:

The Actinide series contains elements with atomic numbers 89 to 103 and is the sixth group in the periodic table. The series is the row below the Lanthanide series, which is located underneath the main body of the periodic table.

HOPE THIS BRING A SMILE IN YOUR FACEExplanation:

Answer 2

Answer:

the period 7

actinides are actually placed separately in the modern periodic table but they are actually the elements between Actinium and Rutherfordium.