Electronic Structure of Atoms
This worksheet covers the electronic structure of atoms, including electron shells, subshells, orbitals, and electron configurations.
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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 your work for calculations.
1. Which of the following describes the most probable location of an electron in an atom?
Nucleus
Electron shell
Orbital
Proton cloud
2. What is the maximum number of electrons that can occupy the first electron shell?
2
8
18
32
3. The principal quantum number (n) describes the of an electron shell.
4. Subshells are denoted by letters such as s, p, d, and f, which correspond to different of orbitals.
5. The Pauli Exclusion Principle states that no two electrons in the same atom can have the same set of four numbers.
6. Explain the difference between an electron shell and an orbital.
7. All orbitals within a given subshell have the same energy level.
True
False
8. The Aufbau principle states that electrons occupy the lowest energy orbitals first.
True
False
9. Write the full electron configuration for a neutral Oxygen atom (O).
10. Write the noble gas electron configuration for a neutral Magnesium atom (Mg).