Atomic Orbitals Worksheet
This worksheet covers fundamental concepts of atomic orbitals, electron configuration, and quantum numbers for Grade 9 science students.
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Atomic Orbitals Worksheet
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Read each question carefully and answer to the best of your ability. Show all work where applicable.
1. An atomic orbital is a region around the nucleus of an atom where there is a high probability of finding an .
2. The shape of an s-orbital is , while a p-orbital has a shape.
3. The principal quantum number (n) describes the electron's main energy .
4. Which of the following quantum numbers describes the orientation of an orbital in space?
Principal quantum number (n)
Angular momentum quantum number (l)
Magnetic quantum number (m_l)
Spin quantum number (m_s)
5. How many electrons can a single orbital hold, regardless of its type?
1
2
6
8
6. Draw the general shape of an s-orbital and a p-orbital. Briefly explain the difference in their shapes.
7. Write the full electron configuration for an atom of Oxygen (O).
8. All orbitals within the same principal energy level (n) have the same energy.
True
False
9. The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers.
True
False
10. Refer to the diagram below showing electron configuration. Identify the element represented and explain how you determined it.
