Chemical Changes and Structure (Nat 5)

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Equation for average rate of reaction?
Average rate=change in quantity/change in time
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How to increase the rate of reaction
increase concentration, decrease particle size, increase temperature and use catalyst
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What is the atomic number?
The number of protons in an atom
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What is the mass number?
The number of protons and neutrons in an atom
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What is an isotope?
Atoms of the same element with the same atomic number but a different mass number
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What is the relaative atomic mass?
The average mass of an element taking into account isotopes
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Card 2

Front

How to increase the rate of reaction

Back

increase concentration, decrease particle size, increase temperature and use catalyst

Card 3

Front

What is the atomic number?

Back

Preview of the front of card 3

Card 4

Front

What is the mass number?

Back

Preview of the front of card 4

Card 5

Front

What is an isotope?

Back

Preview of the front of card 5
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