Answers 2020 - Stpm Chemistry Sem 2 Past Year Papers
Answers for 2020 emphasized Beryllium's high charge density due to its small ionic radius, which leads to significant covalent character in its compounds (like BeOcap B e cap O
So: -602 = (+148) + (+738) + (+1451) + (+249) + (-142) + (+844) + U stpm chemistry sem 2 past year papers answers 2020