1.Elements, Compounds and Mixtures 2. Elements Elements are basic substances which cannot be further broken down into simpler substances by chemical methods. 115 elements…
1.Chapter16 Group Properties2. 1 outer shell electron form ions with a charge of +1; form ionic compounds of similar formulas very reactive metals; metals are kept under…
1. Chapter16 Group Properties 2. 1 outer shell electron form ions with a charge of +1; form ionic compounds of similar formulas very reactive metals; metals are kept under…
Slide 1 Gas molar specific heats Mean kinetic energy of a gas molecule: If we have n moles of gas: Then molar specific heat at constant volume should be: What molar specific…
Properties of Covalent (Molecular) Substances Properties of Covalent (Molecular) Substances Poor conductors of heat & electricity in any phase. No charged particles!…
The Chemical Earth Why study chemistry? The Earth includes the biosphere, lithosphere, hydrosphere and atmosphere. Each of these is a mixture of thousands of different substances,…