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化學教室-第7章-3-離子的分類
化學教室-第7章-2-離子的形式
化學教室-第7章-1-貴氣體的電子排佈
Example-Ch5-2-Finding relative abundance form relative atomic number
Example-Ch5-1-Use of atomic and mass numbers to find the numbers of sub-atomic particels
Chemistry tutorial-Ch5-8-Electron arrangement
Chemistry tutorial-Ch5-7-Relative atomic mass
Chemistry tutorial-Ch5-6-Relative isotopic mass
Chemistry tutorial-Ch5-5-Isotopes
YU CHUN KEUNG MEMORIAL COLLEGE