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IB Chemistry HL 1.3.4 Sublevels Questions

Identify spherical s and dumbbell-shaped p orbitals, label their orientations, and connect orbital shapes with principal levels and sublevels.

Syllabus
First assessment 2025
Course
Chemistry HL
Level
HL

Exam points

  • Identify and draw s orbitals as spherical and p orbitals as dumbbell-shaped, including the node at the nucleus.
  • Relate orbital shapes, orientations and n=4 orbital structure to principal levels and s/p/d/f sublevels.

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Study 1.3.4—Sublevels conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Chemistry HL 1.3.4 Sublevels Questions question 1

[Maximum number: 1]

Lithium and boron are elements in period 2 of the periodic table. Lithium occurs in group 1 (the alkali metals) and boron occurs in group 3. Isotopes exist for both elements.

The electron configuration of boron is 1s22s22p11 s^{2} 2 s^{2} 2 p^{1}. Draw the shape of an s orbital and a px\mathrm{p}_{x} orbital on the axes below.

Figure for Question IB Chemistry HL 1.3.4 Sublevels Questions question 1 — IB Chemistry HL
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