chemistry Key Word Definitions (G)

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What is gas chromatography?
The process of separating the components in a mixture by passing the vapours through a column and detecting them as they leave the column at different times.
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A giant covalent structure is...?
A huge 3-D network of covalently bonded atoms (e.g. the giant lattice of carbon atoms in diamond or graphite).
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A giant lattice is...?
A huge 3-D network of atoms or ions (e.g. the giant ionic lattice in sodium chloride).
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A giant structure is...?
See giant lattice.
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What is global dimming?
The reflection of sunlight by tiny solid particles in the air.
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What is global warming?
The increasing of the average temperature of the Earth.
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Gradient is...?
Change of the quantity plotted on the y-axis divided by the change of the quantity plotted on the x-axis.
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What is a Group?
All the elements in each column (labelled 1 to 7 and 0) down the periodic table.
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Card 2

Front

A giant covalent structure is...?

Back

A huge 3-D network of covalently bonded atoms (e.g. the giant lattice of carbon atoms in diamond or graphite).

Card 3

Front

A giant lattice is...?

Back

Preview of the front of card 3

Card 4

Front

A giant structure is...?

Back

Preview of the front of card 4

Card 5

Front

What is global dimming?

Back

Preview of the front of card 5
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