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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.
उत्तर
Two elements are:
Sodium – P = e = 11 n = 12
Chlorine – P = e = 17 n = 18
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संबंधित प्रश्न
All the gases from cathode rays anode rays when electricity is passed through them :
What does the formation of anode rays tell us about the atoms?
What is the nature of the charge on Anode rays?
How does cathode ray differ from as anode rays?
Which sub-atomic particle was discovered by Goldstein.
Name the sub-atomic particle whose charge is +1.
Explain the following:
Mass of an atom is concentrated inside the nucleus of the atom.
Define: Neutron
Represent an electron ‘e’ in term of its symbol showing the subscript and superscript value.
What are fluorescent materials?
An atom is electrically neutral. Give reason.
