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प्रश्न
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
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उत्तर
Mass number
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संबंधित प्रश्न
Multiple Choice Questions
number of valence electrons present in magnesium is
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
What are the two main parts of which an atom is made of?
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Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
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In an atom, the last shell containing electrons is called its..................shell.
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The γ-rays are............................ radiations, like light.
Why is an atom neutral inspite of the presence of charged particles in it?
Which of the following statement is always correct?
Define the term Nucleons.
