Question 1
An element has the electronic configuration 2,8,7. Determine which group of the periodic table this element belongs to.
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Chemistry · Unit 1 · Properties and structure of atoms · Atomic structure
Describe the relationship between the structure of the periodic table and the electronic configuration of atoms.
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Question 2
An element has the electronic configuration 1s² 2s² 2p⁶ 3s² 3p⁵. Identify the period and group in which this element is located.
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Question 3
Describe the relationship between the position of nitrogen (N) and neon (Ne) in the periodic table and their electronic configurations.
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