You and your classmates have been given an electron configuration and need to identify what it is. 15² 25² 2p 3s 3p 4s² 3d¹⁰4pº You think this is the electron configuration for krypton, one classmate thinks it the calcium ion and another classmate thinks it's the selenium ion. Who is correct? Who is incorrect? Explain.

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Chapter1: Chemical Foundations
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Please follow the SCH4U rules for electron configurations and orbital diagrams

You and your classmates have been given an electron configuration and need to identify what it is.
15² 25² 2p 3s² 3p 4s²3d¹⁰4pº
You think this is the electron configuration for krypton, one classmate thinks it the calcium ion and
another classmate thinks it's the selenium ion. Who is correct? Who is incorrect? Explain.
Transcribed Image Text:You and your classmates have been given an electron configuration and need to identify what it is. 15² 25² 2p 3s² 3p 4s²3d¹⁰4pº You think this is the electron configuration for krypton, one classmate thinks it the calcium ion and another classmate thinks it's the selenium ion. Who is correct? Who is incorrect? Explain.
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