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प्रश्न
In all atoms of an element
पर्याय
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
Define: Relative atomic mass
Fill in the blank
A deficiency of electrons produces a ________ charge.
Is it possible to see atoms these days ? Explain your answer.
Electron, proton, neutron are the types of ______ in an atom.
The electron shell ______ is nearest to the nucleus.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of phosphorus
State true or false. If false, correct the statement.
An atom is electrically neutral.
Assertion: An atom is electrically neutral.
Reason: Atoms have equal number of protons and electrons.
Name the sub-atomic particles.
Atoms of different elements having the same number of ______ are called isotones.
