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Electron was discovered by...

Electron was discovered by _________

A

Goldstein

B

J J Thomson

C

Niles Bohr

D

Rutherford

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JNAN PUBLICATION-MATTER (STRUCTURE OF MATTER)-EXAMPLE
  1. Which model does not be able to explain the stability of an atom?

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  2. Name an atom in which the molecules of that atom does not contain any ...

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  3. Electron was discovered by

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  4. Ther correct electronic configuration of sodium is

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  5. Who discovered neutron in 1953?

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  6. The atom has

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  7. Symbo of Ferric ion is

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  8. Charged atoms are called

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  9. The total number of protons and neutrons in an atom is called its

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  10. State whether True or False:- Nearly the whole mass of an atom remai...

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  11. State whether True or False:- John Dalton's experiment proved the ex...

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  12. State whether True or False:- Neutrons are electrically neutral.

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  13. State whether True or False:- An iron atom is heavier than a gold at...

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  14. State whether True or False:- In a solid the average distance betwee...

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  15. State whether True or False:- The kinetic energy of molecules in a l...

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  16. State whether True or False:- Salt (NaCl) melts at a temperature of ...

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  17. State whether True or False:- Ionic compounds are made of molecules.

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  18. State whether True or False:- Liquids have definite shape, but they ...

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  19. State whether True or False:- The mass of an atom can not be measure...

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  20. Fill in the blanks: - In 1808 published his atomic theory.

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