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प्रश्न
Write true or false for the following statement
The central pad of the atom is called nucleus.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Multiple Choice Questions
number of valence electrons present in magnesium is
Mention briefly the salient features of Dalton’s atomic theory (five points)
Draw the electronic configuration of the following elements clearly stating the number of neutrons and protons in their nucleus.
a. Beryllium b. Silicon
c. Chlorine d. Aluminium
e. Nitrogen
Why is an atom neutral inspite of the presence of charged particles in it?
Name the sub-atomic particle whose charge is 0.
State its one drawback of Rutherford’s atomic model.
Define the term Mass number.
Define the term Nucleons.
Define the term Valence shell.
