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CBSE Notes 2011-2012 » XI-Chemistry

The p-Block Elements

What is tincal ? Give its chemical formula.

Short answer question

What is tincal ? Give its chemical formula.

Why does boron resemble Si ?

Short answer question

Why does boron resemble Si ?

Why does boron form stable electron deficient compounds ?

Short answer question

Why does boron form stable electron deficient compounds ?

What type of glass is obtained when borax is added ?

Short answer question

What type of glass is obtained when borax is added ?

Why is boron metalloid ?

Short answer question

Why is boron metalloid ?

Name two allotropes of boron.

Short answer question

Name two allotropes of boron.

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