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AQA A level chemistry summary for 3.1.2 (amount of substance) to 3.1.5 (kinetics)

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Provides a complete summary of all formulas in the entire a level chemistry course, as well as all shapes of molecules with bond angles and examples. Also outlines all 6 trends in Periodicity for Group 2, Group 7 and Period 3

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Shapes of Molecules:

Name Electron Bond Lone Shape Common
domains pairs Pairs examples
Linear 2 2 0 CO2
MgCl2

Trigonal 3 3 0 BF3
planar NO3–
CO32–



Bent 3 2 1 NO2–
(V-shaped) SO2
O3



Tetrahedral 4 4 0 CH4
MnO4–
SO42–
PO43–
NH4+


Trigonal 4 3 1 NH3
Pyramidal ClO3–
SO32–




Angular/ 4 2 2 H2O
Bent ClO2
NH2–

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Subject
Uploaded on
August 18, 2024
Number of pages
6
Written in
2024/2025
Type
Summary
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