1. Explain Bohr atomic model. Why is the Bohr model not applicable for Oxygen atoms? 3.5 Marks 2. Explain why the noble
Posted: Thu Dec 02, 2021 6:53 am
1. Explain Bohr atomic model. Why is the Bohr model not applicable for Oxygen atoms? 3.5 Marks 2. Explain why the noble gases do not form compounds readily. 3 Marks 3. Both Hydrogen gas and Helium gas are lighter than air. Why is Helium used to lift blimps instead of Hydrogen? 3.5 marks