Hydrogen cyanide (HCN) is a very poisonous compound used in the manufacturing ofplastics, mining of gold and as a poison. 2.1 Define the term chemical bond. (2) 2.2 Draw Lewis structures for: 2.2.1 HCN (2) 2.2.2 H2O (2) 2.3 What is the shape of the HCN molecule? (1) 2.4 Calculate the electronegativity difference for the … Read more
Various options are provided as possible answers to the following questions.Choose the answer and write only the letter (A–D) next to the question numbers(1.1 to 1.10) in the ANSWER BOOK, e.g. 1.11 E. 1.1 The tendency of an atom to attract the bonding pair of electrons is knownas … A electron affinity.B electronegativity.C polarity.D activation … Read more