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Electronic configuration and ionic bonding

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Harvey Buckle

on 15 March 2017

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Transcript of Electronic configuration and ionic bonding

Ionic bonding
Metal ions
In some circumstances metal atoms may lose electrons. The atom then has more protons than electrons and so it will be positively charged, a positive ion.
Example: A magnesium atom may lose two electrons and become a Mg2+ ion.
Non-metal ions
Non-metal atoms may gain electrons and become negatively charged.
Example: An oxygen atom may gain two electrons and become an O2- ion.
Now...
Ionic bonding occurs between positive and negative ions, which attract each other and bind together to form ionic compounds. For example, sodium chloride consists of Na+ ions and Cl- ions bound together.
Each ion is surrounded by oppositely charged ions held in place by electrostatic attraction and forming an ionic crystal lattice. The ions in a crystal lattice are very strongly bonded - a high temperature is required to melt the crystal.

Electronic structure
Starter
Make as may words as you can out of CONFIGURATION
Electronic structure and ionic bonding
Examples
To know how to arrive at electronic structure
To know how ionic bonding occurs
To make an ionic compound
Aim
30th March 2016
Watch Mr Harvey
Full transcript