What you’ll learn5 learning objectivesChoose one objective for a focused lesson, or study the complete topic.2.5.1Covalent bond is formed when a pair of• State: a covalent bond is formed when a pair of electrons is shared between two atoms leading to noble gas electronic configurationsSyllabus objective2.5.2Formation of covalent bonds in simple• Describe formation of covalent bonds in simple molecules, including H2, Cl2, H2O, CH4, NH3 and HCl. Use dot-and-cross diagrams to show the electronic configurations in these and similar moleculesSyllabus objective2.5.3Simple molecular compound properties• Describe simple molecular compound properties from structure/bonding: low melting/boiling points and poor electrical conductivitySyllabus objective2.5.4Formation of covalent bonds in simple• Describe formation of covalent bonds in simple molecules, including CH3OH, C2H4, O2, CO2 and N2. Use dot-and-cross diagrams to show the electronic configurations in these and similar moleculesSyllabus objective2.5.5Simple molecular compound properties• Explain simple molecular compound properties: low melting/boiling points due to weak intermolecular forces, and poor electrical conductivitySyllabus objective