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| 1. |
Modern periodic table is based on the atomic number of the elements. The experiment which proved the significance of the atomic number was |
| Answer» TION:HENRY Moseley observed REGULARITIES in the characteristic X-ray spectra of the elements by plotting square ROOT of frequency of x-rays against atomic number which gave a straight LINE. Thereby he showed that the atomic number is the most fundamental property of elements rather than atomic mass. | |