Physical+Properties

The physical properties of a compound depends on the type of bonding present in it. //The table below summarizes the physical properties of compounds caused by different types of bonding. //


 * ~  ||~ Giant metallic ||~ Giant Ionic ||~ Giant covalent ||~ Molecular Covalent ||
 * Hardness and malleability || Malleable || Hard and brittle || Very hard and brittle || Very soft and malleable, unless there is hydrogen bonding between molecules ||
 * Melting and boiling points || High || High || Very high || Low, usually liquids or gases at room temperature ||
 * <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">Electrical and thermal conductivity || <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">Good conductors as both solids and liquids || <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">Don’t conduct when solid but conduct when molten or dissolved in solution || <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">Don’t conduct (except graphite) || <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">Don’t conduct in any state ||
 * <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">Solubility || <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">Insoluble || <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">More soluble in polar solvents such as water than other solvents` || <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">Insoluble in all solvents || <span style="font-family: Tahoma,sans-serif; font-size: 14pt;">More soluble in non-polar solvents. If they can hydrogen bond, they are soluble in water ||

<span style="color: #0000ff; font-family: Tahoma,sans-serif; font-size: 12px; line-height: 27px;">By the end of this lesson you should be able to:
 * <span style="color: #0000ff; font-family: Tahoma,sans-serif; font-size: 12px; line-height: 27px;">Explain the physical properties of substances resulting from different types of bonding.
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The summary table has been taken from the "International Baccalaureate Chemistry" book by "John Green" and "Sadru Damji". (3rd edition), IBID press, victoria. page 129, figure 451. (accessed 17/04/2012)