Summary
AQA GCSE 9-1 Chemistry Structure and Bonding topic summary
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A summary of the AQA GCSE chemistry specification for the Structure and Bonding topic.
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Elements react together to form Ionic bonding between tcompounds by gaining and particles results in an ar
losing electrons or by sharing ions called a giant lattice
electrons.
It takes a lot
Use opposite charge break the ma
IONIC BONDING: ionic bonds in
lattice structu
means ionic c
In melting and boiling, energy is transferred have high me
from the surroundings to the substance. They are solid
In freezing and condensing, energy is temperature.
transferred from the substance to the Structure and The outer shell
Ionic compou
surroundings. bonding
conduct elect
In covalent bonds, each shared pair of electrons is a covalent bond. molten or dis
Many substances containing covalent bonds consist of simple molecules but some have giant water, becaus
covalent structures. can become m
can carry cha
COVALENT BONDING: the liquid.
x
Cl Ionic bonds:
H Cl H H Cl
x Metal and no
If there are two bonds
Must get a full outer shell, (two sets) then put 2 Covalent bon
then pair remaining electrons. lines Non metal an
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