Q. 205.0( 2 Votes )
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(i) Two atoms of the same element combine to form a molecule. The bond between them is known as covalent bond.
(ii) Two chlorine atoms combine to form a molecule. The bond between them is known as covalent.
(iii) In forming oxygen molecule, two electrons are shared by each atom of oxygen.
(iv) In forming N2 molecule, three electrons are shared by each atom of nitrogen.
(vi) The number of single covalent bonds in C2H2 molecule are two.
(vi) Melting points and boiling points of ionic compounds are generally higher than those of covalent compounds.
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