Question detail
What is the electronic structure of sodium and how does it relate to its position in the periodic table?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
What is the electronic structure of sodium and how does it relate to its position in the periodic table?
Answer
The electronic structure of sodium is represented as 2, 8, 1. This indicates that sodium has 2 electrons in its first shell, 8 in its second shell, and 1 in its outermost shell, which places it in Group 1 of the periodic table as an alkali metal.
Explanation
This answer is strong because it accurately describes the electronic structure of sodium and connects it to its classification in the periodic table, testing the student's understanding of electronic configuration and periodic trends.
Common mistake
Misunderstanding Electronic Structure Representation
Students often represent the electronic structure of sodium as 2, 8, 1, 1 instead of 2, 8, 1.
Remember that the electronic structure should only include the number of electrons in each shell, so for sodium, it is 2 in the first shell, 8 in the second shell, and 1 in the outer shell, written as 2, 8, 1. Keep the correction anchored to Electronic structure and avoid mixing it with nearby Unit 4.1 ideas.
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