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Home» class 9»Science» Chapter 4: Structure of the Atom

What are canal rays? - Science

Question

What are canal rays?

Answer

Canal rays are positively charged radiations produced in a gas discharge tube. They were discovered by E. Goldstein in 1886 and led to the discovery of the proton.

 

Related Questions

If an atom contains one electron and one proton, will it carry any charge or not?

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On the basis of Thomson's model of an atom, explain how the atom is neutral as a whole.

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On the basis of Rutherford's model of an atom, which sub-atomic particle is present in the nucleus of an atom?

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Draw a sketch of Bohr's model of an atom with three shells.

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4. What do you think would be the observation if the \alpha-particle scattering experiment is carried out using a foil of a metal other than gold?

 

 

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Name the three sub-atomic particles of an atom.

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Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?

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Write the distribution of electrons in carbon and sodium atoms.

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If K and L shells of an atom are full, then what would be the total number of electrons in the atom?

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How will you find the valency of chlorine, sulphur and magnesium?

 
 
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Chapter Info

Subject: Science
Class: class 9
Chapter 4: Structure of the Atom
Medium: English Medium