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Modern period table  
Asked by waghmaresheetal78 | 27 Dec, 2021, 17:02: PM
answered-by-expert Expert Answer
  • In 1913, Henry Moseley proved that atomic number is the fundamental property than its atomic mass.
  • Atomic number (Z) of an element is the number of protons in the nucleus of the atom and also represents the number of electrons in the outermost shells.
  • Mendeleev’s Periodic law was modified and atomic number was adopted as the basis of Modern Periodic Table.
  • Modern Periodic Law: Properties of elements are a periodic function of their atomic number.
  • The periodic table based on modern periodic law is called the Modern Periodic Table.
For more study of this chapter, click on the link given below: - 
CBSE_X_Chemistry_Periodic Classification of Elements_Study Material
Answered by Shiwani Sawant | 27 Dec, 2021, 17:18: PM

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