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प्रश्न
State whether the following statement is true or false :
The cathode rays obtained from all the gases consist of negatively charged particles called electrons.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Name the subatomic particle whose relative charge is : –1
How does an electron differ from a neutron?
Choose the correct option
The number of valence electrons in O2- is :
Name or state the following:
A bond formed by transfer of electron(s)
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.
Write down the electronic configuration of the following
- 2713X,
- 3517Y.
Write down the number of electrons in X and neutrons in Y and the formula of the compound formed by X and Y.[XY3]
On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.
Which of the following statement is always correct?
Anode rays travel in straight lines.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
