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Chemistry, 28.10.2020 03:50 zay179

Analyze and determine in the elements below, what is wrong within it's electron configuration. Must explain what's wrong in the paragraph Copper: [Ar] 4s² 4d⁹
Neon: 1s² 2s² 2p⁶ 3p⁸

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Analyze and determine in the elements below, what is wrong within it's electron configuration. Must...
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