01 Introduction to Chemistry
02 Matter and the Atomic Structure
03 The Mole Concept, Chemical Formula and Equation
04 The Periodic Table of Elements
05 Chemical Bond
06 Acids, Bases and Salts
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5.3.2 Covalent Compounds – Number of Bonds

Number of Bond

  1. There are 3 types of covalent bond:
    1. Single covalent bond – sharing of one pair of electrons
    2. Double covalent bond – sharing of two pairs of electrons
    3. Triple covalent bond – sharing of three pairs of electrons

Example

Number of electronsExample and type of covalent bond
1 pair

type of covalent bond: Single Bond

2 pair

type of covalent bond: Double Bond

3 pair

type of covalent bond: Triple Bond

Formation of Single Bond (Hydrogen Molecule)

Formation of Double Bond (Oxygen Molecule)

Formation of Triple Bond (Nitrogen Molecule)