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Give the important isotopes of hydrogen,...

Give the important isotopes of hydrogen,carbon, oxygen and chlorine. Indicate their mass numbers and atomic numbers

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MBD-STRCTURE OF ATOM-Example
  1. What information is conveyed by the statement that the mass number of ...

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  2. Is it possible for an atom to have 12 protons and 13 electrons ? Expla...

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  3. Give the important isotopes of hydrogen,carbon, oxygen and chlorine. I...

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  4. Chlorine has two isotopes "17^35Cl And "17^37Cl in the ratio 3:1. Calc...

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  5. Out of 18X and 16Y which atom is chemically more reactive ?

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  6. An element has 12 neutrons and mass number 23. Give the atomic number ...

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  7. Calculate number of protons, neutrons and electrons in "92^235U and "9...

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  8. Calculate the number of electrons, protons and neutrons is "9^19X . Al...

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  9. Who discovered canal rays ?

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  10. Which charge is present on canal ray particles ?

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  11. Which charge is present on protons ?

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  12. Where are protons present in an atom ?

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  13. What were the characteristics of an atom according to Dalton ?

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  14. Which discovery is against Dalton's theory ?

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  15. Who proposed the first model for the structure of atom ?

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  16. Why did Rutherford used gold foil in a-ray scattering experiment ?

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  17. What are alpha-particles?

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  18. What is the charge on alpha-particles ?

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  19. What is the mass of an alpha-particle ?

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  20. How the defects of Rutherford's model were removed by Neil Bohr ?

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