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प्रश्न
Name or state the following.
Two elements having the same number of protons and electrons but a different number of neutrons.
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उत्तर
Two elements are:
Sodium – P = e = 11 n = 12
Chlorine – P = e = 17 n = 18
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संबंधित प्रश्न
What is the positive charge on the nucleus of an atom due to?
What is a proton? State its relative mass and charge.
How does a proton differ from an electron?
What is a proton? How does it differ from a neutron?
(a) What are cathode rays? What is the nature of charge on cathode rays?
(b) Explain how, cathode rays are formed from the gas taken in the discharge tube.
(c) What conclusion is obtained from the fact that all the gases from cathode rays?
Which sub-atomic particle was discovered by Goldstein.
Define: Electron
Define: Neutron
An atom differs from its ion in ______.
The nature of anode rays depends upon ______.
