Electron Orbitals Worksheet
This worksheet covers fundamental concepts of electron orbitals, including quantum numbers, orbital shapes, and electron configurations, appropriate for Grade 12 Chemistry students.
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Electron Orbitals Worksheet
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Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Which quantum number describes the main energy level of an electron?
Magnetic quantum number (m_l)
Principal quantum number (n)
Angular momentum quantum number (l)
Spin quantum number (m_s)
2. How many orbitals are there in a subshell with l = 2?
1
3
5
7
1. An s-orbital has a dumbbell shape.
True
False
2. According to Hund's Rule, electrons will occupy orbitals of the same energy singly before pairing up.
True
False
1. The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers.
2. A p-subshell contains orbitals.
3. The electron configuration of an atom describes the distribution of electrons among the .
1. Explain the significance of the principal quantum number (n) in describing an electron's orbital.
2. Draw and label the shapes of the s and p orbitals.
3. Write the full electron configuration for an oxygen atom (atomic number = 8).
Observe the image below, which represents an electron cloud model of an atom. Answer the question that follows.
1. How does the electron cloud model differ from the Bohr model of the atom in terms of electron location?
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