One Integer Value Correct TypeDirection (Q. Nos. 19-23) This section contains 5 questions. When worked out wiil result in an integer from 0 to 9 (both inclusive).Q.The number of electrons present in 5f subshell of berkelium areCorrect answer is '9'. Can you explain this answer?

Question

Answer

Number of Electrons in 5f Subshell of Berkelium

To determine the number of electrons present in the 5f subshell of berkelium, we need to consider the electronic configuration of berkelium and the rules governing the filling of electron orbitals.

1. Electronic Configuration of Berkelium:
The atomic number of berkelium (Bk) is 97. Therefore, it has 97 electrons. The electronic configuration of berkelium can be represented as:

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 4f^14 5d^10 6p^6 7s^2 5f^9

2. Filling of Electron Orbitals:
The filling of electron orbitals follows the Aufbau principle, which states that electrons occupy the lowest energy levels first before filling higher energy levels. According to this principle, the 5f subshell is filled after the 4f subshell.

3. Maximum Capacity of 5f Subshell:
The 5f subshell can accommodate a maximum of 14 electrons. However, in the case of berkelium, the 5f subshell contains only 9 electrons.

Explanation:
The electronic configuration of berkelium tells us that the 5f subshell is not fully filled. It has 9 electrons instead of its maximum capacity of 14. This can be determined by counting the number of electrons present in the 5f subshell, which is given as '9' in the question.

Summary:
The number of electrons present in the 5f subshell of berkelium is 9. This can be determined by considering the electronic configuration of berkelium and the rules governing the filling of electron orbitals. The 5f subshell can accommodate a maximum of 14 electrons, but berkelium has only 9 electrons in its 5f subshell.

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