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Electronic configuration and ionic bonding
Transcript of Electronic configuration and ionic bonding
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 atoms may gain electrons and become negatively charged.
Example: An oxygen atom may gain two electrons and become an O2- ion.
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.
Make as may words as you can out of CONFIGURATION
Electronic structure and ionic bonding
To know how to arrive at electronic structure
To know how ionic bonding occurs
To make an ionic compound
30th March 2016
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