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State three ways by which a proton diffe...

State three ways by which a proton differs from an electron.

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MBD-STRCTURE OF ATOM-Example
  1. An atom has mass number A and atomic number Z.) How many electrons are...

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  2. An atom has mass number A and atomic number Z. How many neutrons are p...

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  3. State three ways by which a proton differs from an electron.

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  4. What are isotopes ? Give two uses of isotopes. Name the isotopes of hy...

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  5. Explain why elements have fractional atomic masses ?

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  6. What are isobars ? Give examples

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  7. Sulphur has an atomic number 16 and a mass of 32. State the number of ...

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  8. Write down the electronic configuration of the following : "13^27X

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  9. Write down the electronic configuration of the following : "17^35X

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  10. Give the important properties or characteristics of isotopes.

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  11. An atom of the element is represented as "23^61X ? What does the numer...

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  12. An atom of the element is represented as "23^61X ? What does the numer...

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  13. An atom of the element is represented as "23^61X ? What is the number ...

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  14. The atom of an element is made up of 4 protons, 5 neutrons and 4 elect...

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  15. Calculate the number of neutrons in the following elements :"1^3H

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  16. Calculate the number of neutrons in the following elements :"17^37Cl

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  17. Calculate the number of neutrons in the following elements :"18^40Ar

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  18. Give two conditions under which cathode rays are produced.

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  19. The electronic configuration of P (Z=15) is 2, 8, 5, why is the valen...

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  20. What information is conveyed by the statement that the mass number of ...

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