statement identifies a difference between an ionic bond and a covalent bond? a. a covalent bond will gain up to 8 electrons to form a bond, and an ionic bond will give away up to 8 electrons to form a bond. b. a covalent bond shares electrons to form a bond, whereas an ionic bond transfers electrons to form a bond. c. an ionic bond gains protons to become positive and attracts electrons to form a bond, whereas a covalent bond will gain electrons to form a bond. d. an ionic bond shares as many as 8 electrons to form a bond, and a covalent bond is formed by transferring as many as 8 electrons.
A covalent bond shares electrons to form a bond, whereas an ionic bond transfers electrons to form a bond.
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In this bond the outermost orbit overlaps on other atoms outermost
it is a special type of covalent bond between two atoms by which the atom which is more electronegative attracts more electrons from the bonded pair than the other atom.
But covalent bond occurs only when atoms share their outer electrons.
Atoms always tried to become stable by filling the outer electron shell.
The main reason for atoms in covalent bond share electron is to gain more stability.
But covalent character is also seen in some compounds made up of even a metal and a non metal e.g. LiCl . Reason is small size of Li due to which its polarizing power is so high that the electron cloud of Cl get little shifted between the two atoms.
Compounds having atom with electronegativity less than 1.9 are considered covalent in nature.