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CBSE Notes 2011-2012 » XI-Chemistry

Chemical Bonding and Molecular Structure

Although very useful in a large number of cases, the octet rule has many exceptions. Give two exampl...

Short answer question

Although very useful in a large number of cases, the octet rule has many exceptions. Give two examples to support this statement.

Why does He2 not exist ?

Short answer question

Why does He2 not exist ?

What is sigma bond ?

Short answer question

What is sigma bond ?

Why is solid NaCl non-conductor of electricity ?

Short answer question

Why is solid NaCl non-conductor of electricity ?

Why is NaCl harder than sodium metal ?

Short answer question

Why is NaCl harder than sodium metal ?

Define covalency of an element.

Short answer question

Define covalency of an element.

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