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Mention the symbol, charge and names of ...

Mention the symbol, charge and names of the discoverers of positron, `pi`-meson and neutrino.

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CHHAYA PUBLICATION-STRUCTURE OF ATOM-WARM UP EXERCISE
  1. Between proton or neutron which one is heavier?

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  2. Write the nuclear reaction for the emission of neutron. Indicate e/m v...

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  3. Mention the symbol, charge and names of the discoverers of positron, p...

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  4. Name the experiment that help us to determine the number of protons in...

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  5. What is the nuclear model of atom?

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  6. Indicate the conclusions drawn by Rutherford from his alpha-particle s...

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  7. Explain why Rutherford did not mention the present of neutron in the p...

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  8. From which experiment it was concluded that entire mass and positive c...

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  9. What is the relation between Cl^(-) and S^(2-) ?

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  10. Identify the isotopes and isobars from the following list of atoms wit...

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  11. An element has an isotope with mass number 14. it contains 8 neutrons....

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  12. identify the relation between the nuclides ""(14)^(30)SI & ""(15)^(31)...

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  13. A cation M^(3+) has 23 electrons. Find the atomic no. of M.

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  14. Find and total number of electons present in 1 mol methane.

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  15. Mass number of an ion with unit negative charge is 37. Number of neutr...

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  16. What are electromagnetic radiations? What is their velocity in vacuum?

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  17. State the principle of formation of electromagnetic radiation.

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  18. What do you mean by electromagnetic spectrum?

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  19. What are microwaves? Why are they used in radars?

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  20. Arrannge the various types of radiations constituting the electromagne...

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