Electron Properties and Behavior
Explore the fundamental properties, quantum numbers, and orbital configurations of electrons in atoms at a Grade 11 level, including their role in chemical bonding.
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Electron Properties and Behavior
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Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Which of the following describes the most probable location of an electron in an atom?
Nucleus
Electron cloud
Proton shell
Neutron field
2. The Pauli Exclusion Principle states that no two electrons in the same atom can have the same set of four:
Energy levels
Quantum numbers
Electron affinities
Valence electrons
3. The rule states that electrons will occupy orbitals of equal energy singly before pairing up.
4. Electrons in the outermost shell of an atom are called electrons.
5. Draw the Bohr model for a Carbon atom, showing its protons, neutrons, and electrons in their respective shells.
6. Explain the concept of electron shielding and how it affects the effective nuclear charge experienced by valence electrons.
7. All electrons within the same principal energy level have the same energy.
True
False
8. An electron's spin quantum number can have values of +1 or -1.
True
False
Match each quantum number with its description.
9. Principal quantum number (n)
a. Describes the orientation of an orbital in space
10. Angular momentum quantum number (l)
b. Describes the size and energy of an orbital
11. Magnetic quantum number (ml)
c. Describes the shape of an orbital
12. Spin quantum number (ms)
d. Describes the intrinsic angular momentum of an electron