Chemistry definitions

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What is an alloy?
A mixture of different metals. Examples of these are Brass, Bronze and Duralumin.
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Why does Acid Rain have a high PH?
Dissolved co2 and large amounts of other dissolved gases like nitrogen and sulphur oxides.
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What is an Addition reaction?
A substance is reacted with an alkene to form a compound with a single bond between two formerly double bonded carbon atoms.
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What is an Addition Polymerisation?
One long single molecule is made from many short chain monomers. All starting material is incorporated in the final polymer. An additional reactions occurs each time the chain is made longer.
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What is an Alkane?
A hydrocarbon that has only single bonds. It is a saturated hydrocarbon
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What is an atom?
Contains protons neutrons and electrons
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What is the mass number of an atom made up of?
The mass is the total number of protons and neutrons
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What is the atomic number?
The total of protons in an atom
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What is a base?
A substance that will neutralise an acid to produce salt.
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What are isotopes?
Isotopes are different forms of the same element which have the same number of protons but a different number of neutrons.
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What properties does an ionic compound have?
Strong electrostatic forces of attraction between oppositely charged ions, high melting and boiling points and giant ionic lattice with a regular lattice arrangement.
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Which groups on the periodic table are more likely to form ions?
1&2 and 6&7
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What do noble gases and ions have in common?
They have the same electronic structure
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Other cards in this set

Card 2

Front

Why does Acid Rain have a high PH?

Back

Dissolved co2 and large amounts of other dissolved gases like nitrogen and sulphur oxides.

Card 3

Front

What is an Addition reaction?

Back

Preview of the front of card 3

Card 4

Front

What is an Addition Polymerisation?

Back

Preview of the front of card 4

Card 5

Front

What is an Alkane?

Back

Preview of the front of card 5
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