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Đến kỳ thi tiếp theo 14 – 15 tháng 11, 2026:

Chemical Bonding & Molecular Structure Interactive Demo

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Key Formulas

ΔEN=∣ENA−ENB∣\Delta EN = |EN_A - EN_B|
chemical bondingionic bondcovalent bondmetallic bondLewis structuremolecular polarityCSCA chemistry