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chemsocthai.org¸•ารางธาตุ...hydrogen [1.0078, 1.0082] Li lithium [6.938, 6.997) Na sodium 22.990 potassium 39.098 rubidium 85.468 caesum 132.91 beryllium 9.0122

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Page 1: chemsocthai.org¸•ารางธาตุ...hydrogen [1.0078, 1.0082] Li lithium [6.938, 6.997) Na sodium 22.990 potassium 39.098 rubidium 85.468 caesum 132.91 beryllium 9.0122