METALS & NON-METALS. Today’s Objectives: Describe the appearance of metals and non- metals Test the conductivity of metals and non-metals Understand the.

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Presentation transcript:

METALS & NON-METALS

Today’s Objectives: Describe the appearance of metals and nonmetals Test the conductivity of metals and non-metals Understand the properties of metals and nonmetals

Metals and non-metals Vs. CopperChlorine Spot the difference! Make a list of the differences between these two elements

Activity: You will be given 6 different substances You need to determine if they are metals or non-metals and then test their properties. Your results must be presented in a table (which is shown on the next slide). Then with your results make 4 general rules (2 for metals and 2 for non-metals) that can be used to identify objects as metals or non-metals. For example: All metals (are/are not) malleable … Non metals (do/do not conduct electricity) …

Substance Metal or nonmetal? Appearance Is it flexible or brittle? Is it hard or soft? Does it conduct electricity? Metals and Non-Metals

Properties Summary Metals High melting point Shiny Malleable Hard (high density) Conduct electricity Conduct heat Non-metals Low melting point Dull Brittle Soft (low density) Do not conduct electricity Do not conduct heat

Why is it made of metal? Water pipes are made of copper because … Alloy wheels are made from aluminium because… Jewellery is made out of gold because …

Review Properties of metals? Ductile Strong Brittle MalleableInsulator Conductor Sonorous Low melting point High boiling point