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Explain why chlorine has relative atomic...

Explain why chlorine has relative atomic mass of about 35.5 u?

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Chlorine always exists as two isotopes .These ar CI-35 and CI-37 isotopes and are present in the ratio of 3:1 The atomic mass of the element is therefore fractional and is regarded as the relative atomic mass
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DINESH PUBLICATION-STRUCTURE OF ATOM -Very Short Answer Questions
  1. Is atomic number of an atom alwayus equal to the number of electons?

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  2. Out of proton and neutron which is heavier?

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  3. Explain why chlorine has relative atomic mass of about 35.5 u?

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  4. Why is proton so named?

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  5. The cation is represented as M^(3+) .What is the difference between th...

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  6. If k and L shells of an atom are completely filled what will be its na...

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  7. Do isobars have also identical chemical characteristics like isotopes?

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  8. The electoni configuration of an element is : 2(K),8(L),5(M). Predict ...

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  9. What are the postulates of Bohr's model of an atom?

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  10. What is the basic difference between the isotopes of an elements?

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  11. The element aluminium is written by the symbol overset(27)underset(13)...

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  12. What is the number of electrons in the valence shell of chlorine (Z-17...

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  13. The radioactive isotope used in the treatment of cancer is :

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  14. Out of c-12 and c-14 isotopes of carbon which is of radioactive nature...

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  15. If an atom has one proton and one electron state the charge on the ato...

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  16. The electronic configuration of an element Z is 2,8,6.How many electon...

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  17. Will overset(12)underset(6)C and overset(14)underset(6)C have differen...

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  18. The atom of an elelment 'A' has threee electons in the outermost shell...

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  19. The atom of an element has electronic configuration 2,8,6.Does it gai...

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  20. Do the elelment overset(3)underset(1)X and overset(3)underset(2)Y repr...

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