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7th ICSE
IMPORTANT
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What are the valencies of cuprous and cupric ions?

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Important Questions on Atomic Structure

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7th ICSE
IMPORTANT
Which of the following pair of sub-atomic particles have equal mass
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7th ICSE
IMPORTANT
Which of the following exhibit a variable oxidation state?
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7th ICSE
IMPORTANT
Choose the correct statement:
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7th ICSE
IMPORTANT
Nucleus of an atom has no charge.
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7th ICSE
IMPORTANT
The atoms that donate electrons are electronegative valency
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7th ICSE
IMPORTANT
Nitrogen is diatomic molecule
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7th ICSE
IMPORTANT
The tiny central core of an atom is called neutron
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7th ICSE
IMPORTANT
Inert gases have completely filled outer shells