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The symbol used for oxygen is 'O' . Ther...

The symbol used for oxygen is 'O' . There are 8 protons and 8 neutrons in its nucleus. From this determine the atomic number (Z) and mass number (A) of oxygen and arrange these in a conventional symbol.

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NAVNEET PUBLICATION-INSIDE THE ATOM-QUESTION BANK
  1. State the characteristics of the electrons.

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  2. What is meant by atomic mass number ? Explain how the atomic number an...

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  3. The symbol used for oxygen is 'O' . There are 8 protons and 8 neutrons...

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  4. Atomic number of carbon is 6. How many electrons are there in a carbon...

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  5. A sodium atom contains 11 electrons. What is the atomic number of sodi...

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  6. The atomic number and mass number of magnesium are 12 and 24 respectiv...

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  7. The atomic number and mass number of calcium are 20 and 40 respectivel...

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  8. Deduce from the datum provided.

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  9. Write a note on distribution of electrons in orbits.

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  10. What is the maximum number of electrons that can be accomodated in eac...

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  11. There is a similarity in atomic structure and solar system. The planet...

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  12. Positively charged proton are together in the nucleus. What might be, ...

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  13. What do you understand by electronic configuration ?

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  14. Write the electronic configuration of the following element: Hydrogen

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  15. Write the electronic configuration of the following element: Magnesium

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  16. Write the electronic configuration of the following element: Aluminiu...

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  17. Write the electronic configuration of the following element: Phosphoru...

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  18. Write the electronic configuration of the following element: Sulphur

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  19. Use the following molecular formula to determine the valencies of H, C...

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  20. Draw suitable diagrams to show the electronic configuration of the ato...

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