Question

to which block an element belongs.why​

Answer 1

Answer:

The block on the periodic table an element belongs to is dependent on the type of the occupied electron orbital of highest potential energy

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Answer 2

Answer:

An element block is a set of elements located in adjacent element groups. Charles Janet first applied the term (in French). The block names (s, p, d, f) originated from descriptions of spectroscopic lines of atomic orbitals: sharp, principal, diffuse, and fundamental.

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