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प्रश्न
Cathode rays are made up of
पर्याय
neutral particles
positively charged particles
negatively charged particles
None of the above
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उत्तर
Negatively charged particles
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संबंधित प्रश्न
The ion of an element has 3 positive charges. The mass number of atom of this element is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
An electron carries a ________ charge.
What are cathode rays? How are these rays formed?
Which sub-atomic particle was discovered by Chadwick.
Name the sub-atomic particle whose charge is -1.
What are valence electrons?
In the formation of (i) oxygen molecule (ii) carbon tetrachloride molecule, state the following:
- Electronic configuration of nearest inert gas attained.
- How many electrons are shared/transferred in bond formation
- Which type of bonds these compounds form?
- Draw their orbital diagrams.
Atoms of all metals will have ______ electrons in their outermost orbit.
Anode rays travel in straight lines.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
