Chemistry

?
what do atoms contain?
Protons, neutrons and electrons
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Where are protons and neutrons found?
In the nucleus
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What is an atomic number?
The number of protons in the nucleus
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What is an mass number?
The number of protons plus neutrons
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What do the chemical equation show?
Reactants
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what is limestone?
calcium carbonate (caCo3)
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When calcium oxide and water react what is produced?
Calcium Hydroxide
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what is a metal ore?
rock which contains enough metal to make worthwhile extracting the metal from it.
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how can metal be extracted from its ore?
chemically by reduction using carbon
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metals which are more reactive than carbon have to be extracted by?
using electolysis of molten compounds
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what method of extracting aluminium is used?
Electolysis
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what is electrolysis?
breaking down of a substance using electricity
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what is a crude oil?
A mixture of hydrocarbons
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what is crude oil mostly?
Alkanes
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Other cards in this set

Card 2

Front

Where are protons and neutrons found?

Back

In the nucleus

Card 3

Front

What is an atomic number?

Back

Preview of the front of card 3

Card 4

Front

What is an mass number?

Back

Preview of the front of card 4

Card 5

Front

What do the chemical equation show?

Back

Preview of the front of card 5
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