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प्रश्न
What is the nature of the charge on Cathode rays .
उत्तर
Cathode rays are negatively charged as they consist of negatively charged particles called electrons.
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संबंधित प्रश्न
What is an electron? State its relative mass and charge.
Which sub-atomic particle was discovered by Chadwick.
Choose the correct option
The number of valence electrons in O2- is :
An atom X has three electrons more than the noble gas configuration. What type of ion will it form?
Choose the correct answer from A, B, C and D:
When a metal atom becomes an ion:
An element X has 2 electrons in its M shell, it forms a bond with an element Y which has 7 electrons in its third orbit.
- Write the formula of the compound formed.
- Which nearest inert gas electronic configuration will element X and Y acquire.
- Show by orbital diagram the formation of the compound between X and Y.
Explain in brief the experimental proof which led to the discovery of –
Electrons
Anode rays travel in straight lines.
The relative charge of an electron is – 1.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
