Electron Configurations
Authored by Collin Voigt
Chemistry
9th Grade - University
NGSS covered
Used 7K+ times
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About
This quiz focuses on atomic structure and electron configurations, a fundamental topic in chemistry that is most appropriate for 9th-12th grade students, particularly those in high school chemistry or introductory college-level courses. The questions assess students' understanding of how electrons are arranged in atoms, including writing and interpreting electron configurations, determining the number of valence electrons, understanding orbital capacity and filling order, and connecting electron structure to periodic trends like atomic size. Students need to master the aufbau principle, Hund's rule, and the Pauli exclusion principle to successfully complete these problems. They must also understand energy levels, sublevels, and orbital diagrams, as well as be able to count electrons from atomic numbers and distinguish between total electrons and valence electrons. The complexity ranges from basic counting of electrons to more sophisticated analysis of transition metals and lanthanides. Created by Collin Voigt, a Chemistry teacher in the US who teaches grade 9 through University level. This comprehensive assessment serves multiple instructional purposes throughout a unit on atomic structure and the periodic table. Teachers can use these questions as formative assessment during instruction to gauge student understanding of electron configuration concepts, or as homework practice to reinforce classroom learning. The quiz works effectively as a warm-up activity to review previously taught material or as a comprehensive review before summative assessments. The variety of question types, from basic electron counting to complex configuration matching, allows teachers to differentiate instruction and identify specific areas where students need additional support. This content aligns with NGSS HS-PS1-1 (structure and properties of matter) and supports state chemistry standards related to atomic structure, electron arrangement, and periodic trends.
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27 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What atom matches this electron configuration?
1s22s22p63s2
Tags
NGSS.HS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the electron configuration for a Sulfur atom?
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What atom matches this electron configuration?
1s22s22p63s33p64s23d104p65s24d105p66s24f145d9
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What electron configuration matches an oxygen atom?
Tags
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the smallest in size?
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the smallest in size?
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