Question

Name the elements where penultimate shell is being filled with electrons .​

Answer 1

Explanation:

In the d-block elements, the d orbitals of the penultimate shell are being filled

Answer 2

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In the d-block elements, the d orbitals of the penultimate shell are being filled as you move across the block from left to right. ... As you move further, electrons are added to the 3d orbital until it is completely filled with 10 electrons in Zn.