1.2 Formulae of covalent compounds 1.2.1 Ratio of atoms in covalent compounds 1.2.1.1 Example(1) Cross Method(A) Carbon dioxide 1.2.1.1 Example(1) Cross Method(B) Hydrogen sulphide 1.2.1.2 Example(2) Jig-saw Method(A) Carbon dioxide 1.2.1.2 Example(2) Jig-saw Method(B) Hydrogen sulphide 1.2.1.3 Questions Level 1 Questions 1.2.1.3 Questions Level 2 Questions
1.2.1.2 Example(2) Jig-saw Method(B) Hydrogen sulphide