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United StatesChemistryQuick questions

Unit 1: Atomic Structure and Properties

Quick questions on Atomic structure and electron configuration - AP Chemistry Unit 1

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Write the noble-gas electron configuration of a neutral calcium atom (Ca, Z=20Z = 20). [1 point]
What is q2?
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State how many unpaired electrons are in a nitrogen atom (1s22s22p31s^2\,2s^2\,2p^3) and justify using a filling rule. [2 points]

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