Match the following rules with their statements.
Rules |
Statements |
A. Hund’s Rule |
1. No two electrons in an atom can have the same set of four quantum numbers. |
B. Aufbau Principle |
2. In the ground state of atoms, orbitals are filled in the order of their increasing energies. |
C. Pauli Exclusion Principle |
3. Pairing of electrons in the orbitals belonging to the same subshell does not take place until each orbital is singly occupied. |
D. Heisenberg’s Uncertainty Principle |
4. It is impossible to determine the exact position and exact momentum of a subatomic particle simultaneously. |
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Correct option is:
1) A-1,B-2,C-3,D-4
2) A-1,B-3,C-2,D-4
3) A-3,B-2,C-1,D-4
4) A-3,B-1,C-2,D-4
Match the following species with their corresponding ground state electronic configuration.
Atom/Ion | Electronic configuration |
A. Cu | 1. |
B. Cu2+ | 2. |
C. Zn2+ | 3. |
D. Cr3+ | 4. |
5. |
A | B | C | D | |
1. | 4 | 2 | 5 | 1 |
2. | 3 | 4 | 1 | 5 |
3. | 3 | 2 | 1 | 4 |
4. | 4 | 2 | 1 | 3 |