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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
Name the positively charged particle present in the atoms of all the elements.
What is the positive charge on the nucleus of an atom due to?
Which subatomic particle was discovered by : Goldstein ?
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?
Name the gas which produces anode rays consisting of protons in the discharge tube experiment.
Name the sub-atomic particle whose charge is +1.
Represent an electron ‘e’ in term of its symbol showing the subscript and superscript value.
Complete the Table on the basis of information available in the symbols given below
- `""_17^35"Cl"`
- `""_6^12"C"`
- `""_35^81"Br"`
| Element | np | nn |
An atom differs from its ion in ______.
A proton can be defined as a ______.
