3
3 Explain whye, a the metals magpessum & aluminen
ave good conductors of electricity
bother than cost-give z reasons why aluminyum
is used for making electric cables while
magnesíum is not
A Explain why the boiling point of ethanol is
higher than that of hexane. Et hand has a la
boiling point because they have weak intermole
forces which can easily overcam than the hexe
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Sodium, magnesium and aluminium
They have metallic bonding, in which the nuclei of metal atoms are attracted to delocalised electrons. Going from sodium to aluminium: the number of delocalised electrons increases … there are more electrons that can move and carry charge through the structure …
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