Clil Module Periodic Table Of The Elements Worksheet - Prof.ssa Elena Tibaldi - Istituto Sant''Anna - 2012-2013 Page 30
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48GROUP 3 ELEMENTS: THE BORON FAMILY
Aluminium:
• in nature, it is combined with oxygen
• good conductor of electricity
• easily trasformed in foils
Boron:
• is a metalloid
• is a poor conductor of electricity
• used in nuclear reactors and to make steel hard
• used to make glass and pottery
• combined with silicon to make pirex, a glass-like
material which is highly resistant to heat and
therefore used for glassware in the lab and in the
kitchen
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