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9th ICSE
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Name of the smallest particle which can take part in a chemical reaction independently is

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Important Questions on Atomic Structure and Chemical Bonding

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9th ICSE
IMPORTANT
The constituent particle of an element having properties similar to those of element is
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9th ICSE
IMPORTANT
J.J. Thomson in his atomic model, assigned positive charge to
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9th ICSE
IMPORTANT
In Christmas pudding model, the currants were compared with
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9th ICSE
IMPORTANT
Who discovered that positive charge in an atom is concentrated at nucleus?
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9th ICSE
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Which scientist proposed that electrons revolve in distinct energy level, around nucleus?
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9th ICSE
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Number of valence electrons in Cl- ion are
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9th ICSE
IMPORTANT
Which one of the following is a correct electronic configuration of sodium?