Question

In 6th period electrons enters into _sub levels​

Answer 1

Answer:

6

Explanation:

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Answer 2

Answer:

The sixth period (n = 6) contains 32 elements and successive electrons enter 6s, 4f, 5d and 6p orbitals, in the order — filling up of the 4f orbitals begins with cerium (Z = 58) and ends at lutetium (Z = 71) to give the 4f-inner transition series which is called the lanthanoid series.