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Katie Overington 10/10/2007

Structure and Bonding

Structure ­ no of ions in a molecule and how they are arranged in space
Bonding ­ the force of attraction holing them together

Changing States:
Melting point ­ temp at which a pure solid is in equilibrium with the pure liquid at

Page 2

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Katie Overington 10/10/2007

Ionic bonding
Cations (positive)
Group 1 elements will lose their outer electrons most easily because the
ionisation energy is lower, and they are large so there is not much attraction
between protons and electrons.

Anions (negative)
Group 7 gains outer electron shells most easily as they only…


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