AQA A Level Maths: Pure復習筆記2.8.2 Composite Functions
Composite Functions What is a composite function? A?composite function?is where one function is applied after another function The ‘output’?of one function will be the ‘input’?of the next on...
IB DP Chemistry: HL復習筆記4.3.4 Metallic Bonding
Metallic Bonding Metal?atoms are tightly packed together in?lattice?structures When the metal atoms are in?lattice?structures, the electrons in their outer shells are free to move throughout the st...
IB DP Chemistry: HL復習筆記4.3.3 Properties of Covalent Compounds
Properties of Covalent Compounds The physical properties of?molecular covalent compounds?are largely influenced by their?intermolecular forces If you know the type of?intermolecular forces?present ...
IB DP Chemistry: HL復習筆記4.3.2 Deducing Intermolecular Forces
Deducing Intermolecular Forces In order to deduce the types of?intermolecular forces?present in molecules you need information about the structure and chemical formula of the molecules The chemical...
AQA A Level Maths: Pure復習筆記2.8.1 Language of Functions
Language of Functions Language of functions The language of functions has many keywords associated with it that need to be understood What are mappings? A?mapping?takes an ‘inp...
IB DP Chemistry: HL復習筆記4.3.1 Types of Intermolecular Forces
Intermolecular Forces There are no covalent bonds between molecules in molecular covalent compounds. There are, however, forces of attraction between these molecules, and it is these which must be ...
AQA A Level Maths: Pure復習筆記2.7.4 Proportional Relationships
Proportional Relationships Proportional relationships Proportional relationships describe a proportional connection between two variables This can happen in two ways Direct proportion one va...
IB DP Chemistry: HL復習筆記4.2.5 Giant Covalent Structures
Giant Covalent Structures Covalent lattices Covalent bonds?are bonds between nonmetals in which electrons are?shared?between the atoms In some cases, it is not possible to satisfy the bonding capac...
IB DP Chemistry: HL復習筆記4.2.4 Molecular Polarity
Molecular Polarity Assigning polarity to molecules There is a difference between?bond polarity?and?molecular polarity? To determine whether a molecule?is polar, the following things have to be take...
