Atoms have a central core called
which is surrounded by
An atom is electrically
such that the total charge on the nucleus is equal to
charge of electrons
The magnitude of charge on nucleus, is different for different
The nature of element is if it has one to three
electrons
An element is a noble gas, if it has
valence electrons
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Nucleus have a central core of atom.....
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jumme ki raat hey jumme ki baat hey Allah bajade hi de pyaar se
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