Electron Configurations

Electron Configurations

Assessment

Quiz

Chemistry

9th Grade - University

Practice Problem

Medium

NGSS
HS-PS1-1, MS-PS1-1, HS-PS1-2

Standards-aligned

Created by

Renee Gilson

Used 2K+ times

FREE Resource

About this resource

This quiz focuses on electron configurations in chemistry, specifically targeting the fundamental concepts of how electrons are arranged in atoms. The material is appropriate for high school chemistry students, typically grades 9-12, as it requires understanding of atomic structure, orbital theory, and the periodic table. Students need to master several core concepts to succeed: the aufbau principle for filling electron orbitals in order of increasing energy, the distinction between full electron configurations and noble gas shorthand notation, the relationship between atomic number and electron count in neutral atoms, and the identification of valence electrons in the outermost energy level. The questions assess students' ability to interpret electron configuration notation, count electrons in different energy levels and orbitals, understand that orbitals hold a maximum of two electrons, and recognize how electron configurations relate to specific elements on the periodic table. Students must also distinguish between neutral atoms and ions, understanding how electron gain or loss affects the overall electron configuration. Created by Renee Gilson, a Chemistry teacher in the US who teaches grade 9 through University level. This comprehensive quiz serves as an excellent tool for reinforcing electron configuration concepts through multiple approaches and question types. Teachers can deploy this assessment as a formative evaluation to gauge student understanding before moving to more complex topics like chemical bonding or periodic trends. The quiz works effectively as homework practice, allowing students to work through problems at their own pace and identify areas needing additional review. It also functions well as a warm-up activity to activate prior knowledge or as a review session before summative assessments. The variety of question formats—from matching configurations to atoms, counting electrons, and applying noble gas notation—ensures students demonstrate mastery across different aspects of electron configuration theory. This assessment aligns with NGSS HS-PS1-1 (developing models to predict atomic properties) and supports Common Core mathematical practices in pattern recognition and logical reasoning.

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Student preview

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What atom matches this electron configuration?
1s22s22p63s2

Neon
Magnesium
Aluminum
Potassium

Tags

NGSS.HS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What atom matches this electron configuration?
1s22s22p63s23p64s23d10

Zinc
Copper
Nickel
Germanium

Tags

NGSS.HS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the noble gas shorthand electron for Sulfur atom?

[Ar] 3p4
[He] 3s23p4
[Ne] 3s23p4
[Na] 3s23p4

Tags

NGSS.HS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What atom matches this electron configuration?
[Xe] 6s25d9

Mercury
Gold
Platinum
Thallium

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What electron configuration matches an oxygen atom?

1s22s22p63s2, 3p64s23d104p5
1s22s22p4
1s22s22p6
1s22s22p63s23p64s23d1

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What electron configuration matches an oxygen ion?

1s22s22p63s2, 3p64s23d104p5
1s22s22p4
1s22s22p6
1s22s22p63s23p64s23d1

Tags

NGSS.HS-PS1-1

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

How many electrons does Si contain? (click to see image)

14
28
2
4

Tags

NGSS.HS-PS1-1

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