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प्रश्न
In all atoms of an element
विकल्प
the atomic and the mass number are same.
the mass number is same and the atomic number is different.
the atomic number is same and the mass number is different
both atomic and mass numbers may vary
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उत्तर
The atomic and the mass number are same.
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संबंधित प्रश्न
Write the names of `"Ca"("NO"_3)_2` compounds :
Write the names of `"FeS"` compounds :
Fill in the blank
An ion with negative charge is called _______
Define: Relative atomic mass
Name two particles found inside the nucleus. What are they collectively called ?
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Give scientific reason.
All the mass of an atom is concentrated in the nucleus.
What is the contribution of the following in atomic structure?
Maharshi Kanada
A radical take part – unsplit in a chemical reaction and retains its identity in reactions.
With reference to the radical –
- ammonium
- bisulphate
- carbonate
state the group of atoms present in each radical.
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