EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記：2.3.2 Practical: Determine the % of Oxygen in Air ractical: Determine the Percentage of Oxygen in Air Aim: To determine the percentage of oxygen in...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 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 o...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 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...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記：2.1.1 Group 1 (Alkali Metals) How Alkali Metals React with Water The group 1 metals are known as the alkali metals They form?alkaline soluti...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記：1.7.4 Giant Covalent Structures Giant Covalent Structures Covalent bonding can be responsible for substances that have many different struct...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記：1.7.3 Simple Molecular Structures Simple Molecular Structures Simple molecular structures have covalent bonds joining the atoms together, bu...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復習筆記：1.7.1 Formation of Covalent Bonds Formation of Covalent Bonds Non-metal atoms can share electrons with other non-metal atoms to obtain a?ful...
Anaerobic Respiration Sometimes cells experience conditions with?little or no oxygen There are several consequences when there is not enough oxygen available for respiration: There is?no final acce...
Practical: Investigating the Rate of Respiration Respirometers are used to measure and investigate the?rate of oxygen consumption?during aerobic respiration in organisms The experiments usually inv...
