Electronic Structure of Atoms Worksheet
This worksheet covers the electronic structure of atoms, including electron configurations, quantum numbers, and atomic orbitals.
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Electronic Structure of Atoms
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Read each question carefully and answer to the best of your ability. Show all work where applicable.
1. Which of the following describes the most probable location of an electron in an atom?
Nucleus
Electron cloud
Proton shell
Neutron field
2. What is the maximum number of electrons that can occupy the third principal energy level (n=3)?
2
8
18
32
3. The principle states that an electron occupies the lowest energy orbital that can receive it.
4. According to Hund's rule, orbitals of equal energy are each occupied by one electron before any one orbital is occupied by electrons.
5. The quantum number that describes the orientation of an orbital in space is the quantum number.
6. Write the full electron configuration for a neutral atom of Oxygen (O).
7. Explain the Pauli Exclusion Principle.
8. An electron in a 3p orbital has a higher energy than an electron in a 3s orbital.
True
False
9. All orbitals within a given subshell have the same energy.
True
False
Match each term with its definition.
10. Principal Quantum Number
a. Describes the shape of an orbital
11. Azimuthal Quantum Number
b. Describes the main energy level
12. Magnetic Quantum Number
c. Describes the orientation of an orbital in space