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Types of bonding
Description
Higher Chemistry (National 5 Recap) Mind Map on Types of bonding, created by RhonaMacK on 10/24/2014.
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chemistry
national 5 recap
higher
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RhonaMacK
, updated more than 1 year ago
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RhonaMacK
over 10 years ago
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Resource summary
Types of bonding
Covalent
Non-metal atoms
Covalentely bonded atoms are called molecules
Non-metal atoms gain electrons to form stable noble gas electron arrangements
Both non-metals wanting to bond can't both gain electrons so they share
Therefore, covalent bonds are described as a shared pair of electrons
Ie. the positive nuclei in each of the atoms attract to each of the atoms' negative electrons
Metallic
Metallic bonding is described as delocalised electrons floating in a sea of positive nuclei
Ionic
Metal + Non-metal atoms = IONIC BOND
Metals lose electrons and become Positive Ions
There are then more protons than electrons
Non-metals gain electrons and become Negative ions
There are then more electrons than protons
Ions have the same number of protons and neutrons as atoms but different numbers of electrons giving them charges without changing the nuclei
Ionic bonds are described as the attraction between oppositely charged ions forming a giant ionic lattice
Think. . . . Pie!
Diatomic
A MOLECULE containing only 2 atoms is diatomic
They are covalent bonds
Di = 2 Atomic = Atoms
There are 7 diatomic elements
Hydrogen
Nitrogen
Fluorine
Oxygen
Iodine
Chlorine
Bromine
REMEMBER. . . Have, No, Fear, Of, Ice, Cold, Beer
Media attachments
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fba2965c626a450042effd6174b49257d3b3a69f.gif (image/gif)
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