A covalent bond is formed when :

combining atoms share the electron pairs

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combining atoms are attracted by each other

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the ions of the combining atoms are attracted by electrostatic force of attraction

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one atom donates a pair of electrons to another atom

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Solution

The correct option is A combining atoms share the electron pairs
A covalent bondis a chemical bond that involves the sharing of electron pairs between atoms. The stable balance of attractive and repulsive forces between atoms when they share electrons is known as covalent bonding. Hence, option A is the correct answer.

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Similar questions

A bond is formed between two atoms by sharing a pair of electrons, provided entirely by one of the combining atoms but shared by both is called __ bond.

Q. A pure covalent bond is formed when the shared pair of electrons is shared ______ by the two atoms.

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

Ionic bond involves the electrostatic force of attraction between the positive and negative ions which is stronger than the force of attraction between atoms in a covalent bond.

Complete the following :

(a) When the nuclei of two different reacting atoms are of ......... mass, then a bond so formed is called ...................... covalent bond (equal, unequal, polar, non-polar).

(b) In case of non-polar covalent bond, the covalent bond is formed in the .......... of atoms and shared electrons are ........... distributed (corner, middle, equally, unequally)

(c) The ions in ................ compounds are held very strongly due to strong ............ forces (electrovalent, covalent, electromagnetic, electrostatic).

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