Question

Define a single covalent bond and double covalent bond.

Answer 1

i) A single covalent bond consist one pair of shared electron . In other words a single bond is formed by sharing one sharing of one pair of electron between two atoms . A single and covalent compound is formed by the sharing two electrons between the atom each atom contributing one electron of sharing .
ii) A double covalent bond consists of two pairs of shared electrons . In other words a double bond is formed by sharing two pairs of electrons between two atoms .Double covalent bond is formed by sharing of electrons between two atoms and each atoms contributing to electrons for sharing .

Answer 2

Explanation:

covalent bond is formed by mutual

sharing of electrons