Electron Configurations
Authored by Melissa Humphries
10th - 11th Grade
Used 4K+ times
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About
This quiz focuses on electron configurations in chemistry, specifically targeting the arrangement of electrons in atomic orbitals and energy levels. The content is appropriate for high school chemistry students in grades 10-11, as it requires understanding of quantum mechanical principles, orbital theory, and periodic table organization. Students need to master several core concepts to succeed: the Aufbau principle for filling orbitals in order of increasing energy, the capacity of each sublevel (s holds 2, p holds 6, d holds 10, f holds 14 electrons), the relationship between electron configuration notation and atomic structure, and the connection between periodic table position and electron arrangement. The questions assess both computational skills in writing and interpreting electron configurations and conceptual understanding of how electrons occupy atomic orbitals, including the use of noble gas shorthand notation for larger atoms. Created by Melissa Humphries, a chemistry teacher in the US who teaches grades 10-11. This comprehensive assessment serves as an excellent tool for evaluating student mastery of electron configuration concepts through multiple instructional approaches. Teachers can deploy this quiz as a formative assessment during the atomic structure unit to identify areas where students need additional support, or as a summative evaluation after teaching orbital theory and periodic trends. The variety of question types makes it equally effective for homework assignments, warm-up activities, or review sessions before major exams. The quiz aligns with NGSS HS-PS1-1 (developing models to predict properties of substances based on molecular structure) and supports Common Core mathematical practices through systematic problem-solving with electron configuration patterns, helping students build the foundational knowledge necessary for advanced topics in chemical bonding and molecular geometry.
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What electron configuration matches an oxygen atom?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which electron configuration belongs to Chlorine (Cl)?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons can the d sublevel hold?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons can the s sublevel hold?
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What atom matches this electron configuration?
1s22s22p63s2
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