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x,y and z are the elements of a Dober...

x,y and z are the elements of a Dobereiner 's tried .If the atomic mass of `'x' ` is 7 and that of 'z' in 39. what should be the atomic mass of the 'y' ?

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. An element has atomic number 19. where would you expect thi...

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  2. Give reason for the need of classification of element .

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  3. x,y and z are the elements of a Dobereiner 's tried .If the atom...

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  4. Explain the ionizaton energy order in the following sets of el...

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  5. Explain the ionizaton energy order in the following sets of el...

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  6. Explain the ionizaton energy order in the following sets of el...

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  7. Explain the ionizaton energy order in the following sets of el...

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  8. Explain the ionizaton energy order in the following sets of el...

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  9. The electrons configuration of atom A is 2,8,6 What is the a...

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  10. The electrons configuration of atom A is 2,8,6 stable whethe...

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  11. The electrons configuration of atom A is 2,8,6 Which of the ...

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  12. The electrons configuration of atom A is 2,8,6 How the eleme...

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  13. Mendeleeff classified the known 63 elements in the form of a periodic ...

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  14. Explain the salient features and achievements of the Mendeleeff’s peri...

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  15. Which property of an element is basis in the construction of ...

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  16. Define ionization energy.Explain on which the ionization energy ...

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  17. What is the need to classify elements ?

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  18. Ionization Fotential curve is the group of atomic number versus...

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  19. Ionization Fotential curve is the group of atomic number versus...

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  20. Ionization Fotential curve is the group of atomic number versus...

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