Form 4 Chemistry Revision Class Question 1 (a) Diagram below shows the electron arrangement of element P and Q. (i) State the position of element P in the Periodic Table of

Elements. Give reason for your answer. (ii) Element Q reacts with hot iron wool to form brown solid. Write the chemical equation to show the reaction occurred. (iii) Elements P and Q have the same chemical properties but show different reactivity in chemical reactions. Compare the reactivity of element P and Q. Explain your answer. at of magnetom side (b) Diagram below shows the electron arrangement of magnesium oxide. 16 October 2023 © 2021 Perlis (Set 1) Question 9 2- (i) Describe the formation of the chemical bond between magnesium and oxygen in the magnesium oxide. (ii) Magnesium oxide exists as solid at room temperature. Explain why. [4M] [2M] [4M] [6M] [4M]