1. Which principle or rule is violated by the following orbital diagram of an at

Question

1. Which principle or rule is violated by the following orbital diagram of an atom in its ground state?

A.Heisenberg uncertainty principle

B.Pauli exclusion principle

C.Hund's rule

D.No rules or principles are violated by this orbital diagram.

E.aufbau principle

2. The element whose atoms in the ground state have two half-filled orbitals is:

A.K.

B.Al.

C.N.

D.Se.

E.Ca.

3. An atom of which of the following elements is not diamagnetic in the ground state?

A.Cd

B.Ba

C.Rn

D.All are diamagnetic.

E.Pt

Explanation / Answer

1) C

2) D

3) E

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