CSE 110 EXAM 2 ACTUAL EXAM SCRIPT 2026 QUESTIONS AND SOLUTIONS GRADED A+

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CSE 110 EXAM 2 ACTUAL EXAM SCRIPT 2026 QUESTIONS AND SOLUTIONS GRADED A+

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Institution CSE 110

Module CSE 110

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CSE 110 EXAM 2 ACTUAL EXAM SCRIPT 2026 QUESTIONS AND SOLUTIONS GRADED A+

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CSE 110 EXAM 2 ACTUAL EXAM SCRIPT
2026 QUESTIONS AND SOLUTIONS
GRADED A+

◉What determines an element's identity? Answer: Number of
protons (atomic number)

◉What are valence electrons? Answer: Electrons in the outermost
shell that participate in bonding

◉Why are valence electrons important? Answer: They determine
bonding, chemical reactivity, and periodic trends

◉What is the octet rule? Answer: Atoms tend to achieve 8 valence
electrons for stability

◉What causes periodic trends? Answer: Nuclear charge, Electron
shielding, Atomic radius

◉What is atomic radius? Answer: Distance from nucleus to
outermost electron

, ◉What is the atomic radius trend across a period? Answer:
Decreases due to increasing nuclear charge pulling electrons inward

◉What is the atomic radius trend down a group? Answer: Increases
due to additional energy levels

◉What is electron shielding? Answer: Inner electrons blocking
nuclear attraction to outer electrons

◉What is ionization energy? Answer: Energy required to remove an
electron from a gaseous atom

◉What is the first ionization energy equation? Answer: X(g) →
X+(g) + e−

◉What is the ionization energy trend across a period? Answer:
Increases due to stronger nuclear attraction

◉What is the ionization energy trend down a group? Answer:
Decreases due to shielding and larger radius

◉Why do noble gases have high ionization energy? Answer: Stable
full valence shells

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Uploaded on: April 14, 2026
Number of pages: 8
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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