University of Jos

PCH 211

Practice 830+ past questions for PCH 211 at University of Jos. Organized by topic with explanations. Free preview on Testwiz.

830+ questions103 topics200 LevelTheory questionsTopic summaries

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About PCH 211 at University of Jos

PCH 211 is a 200 Level course at University of Jos. Students preparing for PCH 211 exams on Testwiz get 830+ practice questions across 103 topics, including theory questions and topic summaries.

Instead of cramming the night before, students who practice by topic — Quantum Mechanics and Wave Functions, Electronic Configuration and Orbitals, Uncertainty Principle in Atomic Theory, and more — build real familiarity with how University of Jos tests PCH 211, catch weak spots early with Testwiz's analytics, and walk into the exam with actual reps under their belt.

Topics covered

Quantum Mechanics and Wave FunctionsElectronic Configuration and OrbitalsUncertainty Principle in Atomic TheoryAtomic Structure and Subatomic ParticlesPeriodic Law and Periodic TrendsTypes of Chemical BondingHydrogen Chemistry and HydridesBinary Compounds and Hydrolysis ReactionsProperties of Alkali and Alkaline Earth MetalsGroup IIIA Elements and Their ReactivityAtomic StructureAtomic Models+91 more

Sample questions

1. Which of the following is the correct set of quantum numbers for an electron in a 2p orbital?

a.n=2, l=2, ml=-1, ms=-1/2

b.n=2, l=0, ml=0, ms=+1/2

c.n=2, l=1, ml=0, ms=-1/2

d.n=2, l=1, ml=+2, ms=+1/2

2. What is the maximum number of electrons that can occupy the third principal energy level (n=3)?

a.8

b.18

c.2

d.32

3. Which of the following statements about the Heisenberg uncertainty principle is CORRECT?

a.It states that it is impossible to simultaneously determine both the position and momentum of an electron with absolute precision.

b.It states that the position and momentum of an electron can be measured simultaneously with perfect accuracy.

c.It implies that the exact path of an electron in an atom can be determined.

d.It applies only to macroscopic objects, not to subatomic particles.

4. An element has an atomic number of 17 and a mass number of 35. How many neutrons does it have?

a.35

b.52

c.17

d.18

5. Which of the following BEST describes the shape of an s orbital?

a.Cloverleaf-shaped with two planar nodes

b.Complex shape with multiple lobes and nodes

c.Dumbbell-shaped with a planar node through the nucleus

d.Spherical and symmetrical around the nucleus

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Testwiz has 830+ PCH 211 practice questions for University of Jos, organized across 103 topics, including theory questions. Sign up free to start practicing.

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PCH 211 on Testwiz covers Quantum Mechanics and Wave Functions, Electronic Configuration and Orbitals, Uncertainty Principle in Atomic Theory, and more. Practice on Testwiz to see the full topic breakdown and sample questions.