lesson: elements. science differentiation in action an element cannot be broken down into simpler...
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![Page 1: Lesson: Elements. Science Differentiation in action An element cannot be broken down into simpler substances by chemical means. Copper](https://reader036.vdocuments.us/reader036/viewer/2022062314/56649dc05503460f94ab41d4/html5/thumbnails/1.jpg)
Lesson: Elements
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Science Differentiation in action
An element cannot be broken down into simpler substances by chemical means.
Copper
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Science Differentiation in action
Gold nuggets are
made upof gold atoms.
Elements are made up of one type of atom.
A sheet of copper
is made upof copper atoms.
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Science Differentiation in action
Elements are listed on a special table called the Periodic Table.
If a substance is not listed on the Periodic Table, it is not an element e.g. water (H2O), glass or wood.
If a substance is listed on the Periodic Table, it is an element e.g. copper (Cu).
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Science Differentiation in action
The Periodic Table places elements that are metals on the left while non-metals are on the right.
metals
non-metals
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Science Differentiation in action
Two examples of metals
Iron (Fe) is a hard silver grey
solid
Copper (Cu) is a reddish brown
solid
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Science Differentiation in action
Two examples of non-metals
Carbon (C) can be a grey black solid
or a transparent solid
Sulfur (S) is a
yellow solid
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Science Differentiation in action
Metals conduct heat and electricity.
i.e. metals allow heat and electricity to pass through them.
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Science Differentiation in action
You must learn the symbols for these metals.
Copper
Zinc
Aluminium
Iron
Silver
Gold
(Cu)
(Zn)
(Al)
(Fe)
(Ag)
(Au)
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Science Differentiation in action
You must learn the symbols for these non-metals.
Carbon
Oxygen
Sulfur
Hydrogen
Nitrogen
(C)
(O)
(S)
(H)
(N)
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Science Differentiation in action
Metals are used in industry to make:
radiators electrical wire
saucepans jewellery
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Science Differentiation in action
1. Can copper be broken down into simpler substances by chemical means?
Review Questions.
2. What two types of substance does the Periodic Table divide elements into?
___________ and ____________
3. Metals conduct (allow to pass through) ___________ and ________________.
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Science Differentiation in action
How could you check if a substance was an element?
Question to think about!
hydrogen
oxygen