CIE A Level Chemistry复习笔记1.4.4 Bonding & Structure
Effects of Bonding & Structure on Physical Properties Different types of structure and bonding have different effects on the physical properties of substances such as their melting and boiling ...
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CIE A Level Chemistry复习笔记1.4.3 Lattice Structures
Lattice Structures Most ionic, metallic and covalent compounds are crystalline lattice The ions, atoms or molecules are arranged in a regular and repeating arrangement Giant ionic lattices An ionic...
CIE A Level Chemistry复习笔记1.4.2 Ideal Gas Law & Equation
Gases: Ideal Gas Law & Equation Kinetic theory of gases The kinetic theory of gases states that molecules in gases are constantly moving The theory makes the following assumptions: The gas mole...
CIE A Level Chemistry复习笔记1.4.1 Gas Pressure
Gases: Gas Pressure Gases in a container exert a pressure as the gas molecule are constantly colliding with the wall of the container Gas particles exert a pressure by constantly colliding with the...
CIE A Level Chemistry复习笔记1.3.16 Dot-&-Cross Diagrams
Dot & Cross Diagrams Dot and cross diagrams are diagrams that show the arrangement of the outer-shell electrons in an ionic or covalent compound or element The electrons are shown as dots and c...
CIE A Level Chemistry复习笔记1.3.15 Inter & Intramolecular Forces
Comparing Bonds to Intermolecular Forces Intramolecular forces Intramolecular forces are forces within a molecule Ionic bonding is the electrostatic attraction between positive (cations) and negati...
CIE A Level Chemistry复习笔记1.3.14 Van der Waals' Forces
van der Waals' Forces & Dipoles Covalent bonds are strong intramolecular forces Molecules also contain weaker intermolecular forces which are forces between molecules These intermolecular force...
CIE A Level Chemistry复习笔记1.3.13 Polarity & Dipole Moments
Polarity & Dipole Moments Electronegativity is the ability of an atom to draw a pair of electrons towards itself in a covalent bond Electronegativity increases across a Period and decreases goi...
CIE A Level Chemistry复习笔记1.3.12 Hydrogen Bonding
Hydrogen Bonding Hydrogen bonding Hydrogen bonding is the strongest form of intermolecular bonding Intermolecular bonds are bonds between molecules Hydrogen bonding is a type of permanent dipole – ...
