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Watch Later 2:29

化學教室-第24章-4-PCl5與SF6分子的形狀

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化學教室-第24章-3B-CH4, NH3與H2O分子的形狀

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化學教室-第24章-3A-BeF2與BF3分子的形狀

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化學教室-第25章-4-不均勻靜電場對極性液體和非極性液體的影響

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化學教室-第25章-3-分子的極性

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Exterior angle of triangle

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Regular polygon

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Angles in polygon

YU CHUN KEUNG MEMORIAL COLLEGE