Edexcel A Level Chemistry:复习笔记1.4.3 Ionic Trends
Ionic Radius Ionic radius The ionic radius of an element is a measure of the size of an ion Ionic radii show predictable patterns Ionic radii increase with increasing negative charge Ionic r...
Ionic Radius Ionic radius The ionic radius of an element is a measure of the size of an ion Ionic radii show predictable patterns Ionic radii increase with increasing negative charge Ionic r...
Ionic Dot-and-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...
Ionic Bonds As a general rule, metals are on the left of the periodic table and nonmetals are on the right-hand side Ionic bonding involves the transfer of electrons from a metallic element to a no...
Melting & Boiling Point Trends Elements in the periodic table are arranged in order of increasing atomic number and placed in vertical columns (groups) and horizontal rows (periods) The ...
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Electronic Configurations of Atoms & Ions The principal quantum shells increase in energy with increasing principal quantum number E.g. n = 4 is higher in energy than n = 2 The su...
Orbital Shapes Orbitals Subshells contain one or more atomic orbitals Orbitals exist at specific energy levels and electrons can only be found at these specific levels, not in between them E...
Developing Electronic Configuration Electrons move rapidly around the nucleus in energy shells If their energy is increased, then they can jump to a higher energy level The process is revers...
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