What is the atomic number of the first post-a | vedclass

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Question

(C) The actinoid series consists of elements with atomic numbers from $Z = 89$ to $Z = 103$. The first element following the actinoid series is known

Vedclass · Accepted Answer

$104$

Vedclass · Answer

(C) The actinoid series consists of elements with atomic numbers from $Z = 89$ to $Z = 103$. The first element following the actinoid series is known as the first post-actinoid element.Atomic number of the last actinoid $(Lawrencium)$ is $103$.Therefore, the atomic number of the first post-actinoid element is $103 + 1 = 104$ $(Rutherfordium)$.Thus, the correct option is $C$.

What is the atomic number of the first post-actinoid element?

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