What to create	Quiz
Which subject	Chemistry
What age group	Year or Grade 11
What topic	Electron Configuration
Question types	Mixed
Number of questions	10
Number of answers	10
Correct answers	Exactly 1
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Year 11 Chemistry Quiz: Electron Configuration

Instructions

Answer the following questions based on your understanding of electron configuration. For multiple-choice questions, select the correct answer from the options provided.

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1. What is the maximum number of electrons that can occupy the first energy level (n=1)?

2. Which of the following electron configurations represents an atom of oxygen?

   • A. 1s² 2s² 2p⁶
   • B. 1s² 2s² 2p⁴
   • C. 1s² 2s² 2p³
   • D. 1s² 2s² 2p⁵
   • E. 1s² 2s² 2p²
   • F. 1s² 2s² 2p¹
   • G. 1s² 2s¹
   • H. 1s² 2p⁴
   • I. 1s² 2s² 3s²
   • J. 1s² 2p⁶ 3s²

3. Which principle states that electrons fill orbitals starting from the lowest energy level to the highest?

4. What is the electron configuration for the element Sodium (Na)?

   • A. 1s² 2s² 2p⁶ 3s²
   • B. 1s² 2s² 2p⁶ 3s¹
   • C. 1s² 2s² 2p⁶ 3p¹
   • D. 1s² 2s² 3s²
   • E. 1s² 2s¹
   • F. 1s² 2p⁶ 3s²
   • G. 1s² 2s² 2p³ 3s²
   • H. 1s² 2s² 2p⁴
   • I. 1s² 2s² 2p⁶ 3d¹
   • J. 1s² 2s² 3p⁶

5. What is the term for the arrangement of electrons in an atom's orbitals?

6. Which of the following electron configurations corresponds to a noble gas?

   • A. 1s² 2s² 2p⁶
   • B. 1s² 2s² 2p⁶ 3s²
   • C. 1s² 2s² 2p⁵
   • D. 1s² 2s² 3p⁶
   • E. 1s² 2s² 2p³
   • F. 1s² 2s² 2p⁴
   • G. 1s² 2s² 3s² 3p⁶
   • H. 1s² 2p¹
   • I. 1s² 2s² 3s² 3p²
   • J. 1s² 2s² 2p²

7. How many valence electrons does a chlorine atom have?

8. Which of the following elements has the electron configuration ending with 3p⁶?

   • A. Argon
   • B. Calcium
   • C. Selenium
   • D. Chlorine
   • E. Phosphorus
   • F. Silicon
   • G. Sodium
   • H. Magnesium
   • I. Potassium
   • J. Neon

9. According to Hund's Rule, how should electrons be distributed in the p orbitals?

10. What is the electron configuration for the element Iron (Fe)?

    • A. [Ar] 4s² 3d⁶
    • B. [Kr] 5s² 4d⁴
    • C. [Ne] 3s² 3p⁶ 4s² 3d⁹
    • D. [Xe] 6s² 4f¹⁴ 5d⁶
    • E. [Ar] 4s² 3d⁴
    • F. [Ar] 4s² 3d⁷
    • G. [Kr] 5s² 4d⁶
    • H. [Ar] 3d⁸
    • I. [Ar] 3p⁶
    • J. [Xe] 5s² 4d⁵

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Good Luck!