Edexcel IGCSE Chemistry 復習筆記 2.4.2 Metal Displacement Reactions Metal Displacement Reactions The reactivity of metals decreases going down the reactivity series. This means that a more r...
Edexcel IGCSE Chemistry 復習筆記 2.4.1 Metals Reacting with Water & Acids Metals Reacting with Water & Acids The chemistry of the metals is studied by analysing their reactions with ...
Edexcel IGCSE Chemistry 復習筆記 2.3.5 The Greenhouse Effect The Greenhouse Effect When shortwave radiation from the sun strikes the Earth’s surface it is absorbed and?re-emitted?from the su...
Edexcel IGCSE Chemistry 復習筆記 2.3.4 Carbon Dioxide from Thermal Decomposition Carbon Dioxide from Thermal Decomposition Thermal decomposition?is the term used to describe reactions where ...
Edexcel IGCSE Chemistry 復習筆記 2.3.3 Combustion Combustion Combustion?is the scientific word for burning All combustion reactions involve a chemical change in which oxygen reacts with elem...
Edexcel IGCSE Chemistry 復習筆記 2.3.2 Practical: Determine the % of Oxygen in Air Practical: Determine the Percentage of Oxygen in Air Aim: To determine the percentage of oxygen in air using the o...
Edexcel IGCSE Chemistry 復習筆記 2.3.1 Composition of Air Composition of Air The proportion of gases in the air has not changed much in 200 million years About four fifths of the air is nitr...
Edexcel IGCSE Chemistry 復習筆記 2.2.2 Group 7: Reactivity & Electronic Configurations Group 7: Reactivity & Electronic Configurations When halogen atoms gain an electron during reac...
Edexcel IGCSE Chemistry 復習筆記 2.2.1 Group 7 (Halogens) Physical Properties The elements in group 7 are known as the halogens These are fluorine, chlorine, bromine, iodine and astatine &nb...
