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Chemistry, 11.10.2021 16:40 Apple557

Cho số hiệu nguyên tử của clo, oxi, natri và hiđro lần lược là 17; 8; 11 và 1. Hãy xét xem kí hiệu nào sau đây không đúng? A. B. C. D.

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Cho số hiệu nguyên tử của clo, oxi, natri và hiđro lần lược là 17; 8; 11 và 1. Hãy xét xem kí hiệu n...

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