Pre-test: Quantum Mechanical Model_Pascal

1. It prescribes the three-dimensional orientation of the orbital in space around the nucleus.

• A. geometry

• B. electron configuration

• C. magnetic quantum number

• D. principal quantum number

2. It indicates the relative size of the orbital.

• A. geometry

• B. electron configuration

• C. magnetic quantum number

• D. principal quantum number

3. How many orbitals in an atom can have the 4d designation?

• A. 9

• B. 5

• C. 1

• D. 7

4. Which of the following combinations is allowed?

• 
• 
• 
• none of the above

5. Who said that no two electrons can have the same set of four quantum numbers?

• A. Hund

• B. Pauli

• C. Einstein

• D. Heisenberg

6. It is the arrangement of electrons within the orbitals of an atom to know more about an atom’s electronic property.

• A. geometry

• B. electron configuration

• C. magnetic quantum number

• D. principal quantum number

7. The building up principle is also called as the _______________.

• A. Hammer Principle

• B. Uncertainty Principle

• C. Roblox Principle

• D. Aufbau principle

8. Which element has an electronic configuration of

• A. Carbon

• B. Oxygen

• C. Fluorine

• D. Hydrogen

9. These are pictorial descriptions of the electrons in an atom.

• A. orbital diagrams

• B. energy diagrams

• C. gaussian curve

• D. cliparts

10. Atoms with unpaired electrons are ___________.

• A. Lone pair

• B. Single atoms

• C. Fake atoms

• D. Paramagnetic