How many electrons in an atom with atomic number 105 can have (n + 1) = 8?

MCQ

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Filling of Orbitals

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पाठ 2: Quantum Mechanical Model of Atom - Evaluation [पृष्ठ ६३]

पाठ 2 Quantum Mechanical Model of Atom
Evaluation | Q I. 18. | पृष्ठ ६३

Electronic configuration of species M²⁺ is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ and its atomic weight is 56. The number of neutrons in the nucleus of species M is

The electronic configuration of Eu (Atomic no. 63) Gd (Atomic no. 64) and Tb (Atomic no. 65) are:

The maximum number of electrons in a sub shell is given by the expression

If n = 6, the correct sequence for filling of electrons will be,

State and explain Pauli's exclusion principle.

Define orbital?

For each of the following, give the sub level designation, the allowable m values and the number of orbitals

Give the electronic configuration of Mn²⁺ and Cr³⁺

Describe the Aufbau principle.

An ion with mass number 37 possesses unit negative charge. If the ion contains 11.1% more neutrons than electrons. Find the symbol of the ion.