C1 AQA

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Where are protons, neutrons and electrons found?
Protons and neutrons - Nucleus and Electrons - Shells
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What is the charge of protons, neutrons and electrons?
+1, 0 and -1 (In that order)
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What is a compound?
2+ elements that are chemically combined
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What is an element?
Single thing found on the periodic table
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Where on the periodic table can we find the number of protons an element has?
Proton number = Atomic Number
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How can we use the periodic table to find the number of neutrons an element has?
Neutrons = Mass number - Atomic Number
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Where on the periodic table can we find the number of electrons an element has?
Electron number = Atomic Number
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What do the groups in the periodic table tell us?
How many electrons the element has in its outer shell
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What do the periods on the periodic table tell us?
The number of shells an element has
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What type of ions do metals form?
Positive
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What type of ions do non-metals form?
Negative
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What is the chemical name for limestone?
Calcium Carbonate
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What is thermal decomposition?
Breaking down, by heating
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How do we test for carbon dioxide?
Limewater - Turns cloudy if CO2
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When we react a carbonate with a dilute acid what happens?
CO2 - You see bubbles
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What we heat a metal carbonate what happens?
Metal Oxide + Carbon Dioxide created
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What we add water to calcium oxide what happens?
Limewater created
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Give 3 advantages to lime stone quarries
1) Creates Jobs 2) Enhances local infrastructure (e.g roads) 3) Increases local business trade
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Give 3 disadvantages to lime stone quarries
1) Noise Pollution 2) Dust created - Negative health impacts 3) Increased traffic
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How are metals found in the ground?
As ores - Metal oxide
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What does the reactivity series show?
Most reactive = Top Least reactive = Bottom
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What is reduction?
Removal of oxygen
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What is reduction?
Removal of oxygen
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What is electrolysis?
separating of things (e.g metals) by passing an electric current through a liquid or solution containing ions.
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What is an alloy?
A mixture of metals
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What is Phytomining?
Using plants to get copper out of the ground
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What is bioleaching?
Using bacteria to get copper (usually from a large body of water)
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Give 3 properties of transition metals?
Hard, shiny and unreactive
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What is crude oil?
Mixture of hydrocarbons and compounds
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What is an alkane?
Something that only has single bonds between carbons
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What is a saturated hydrocarbon?
Another word for an 'alkane'
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In fractional distillation what type of chains comes out at the bottom?
The long chains
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In fractional distillation what type of chains comes out at the top?
The short chains
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What is the generally equation for combustion of a hydrocarbon?
Hydrocarbon + Oxygen ---> Carbon Dioxide + Water
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Give two products of combustion from fossil fuels
Carbon dioxide (CO2) and Sulphur Dioxide (SO2)
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What is the problem with dust particle getting into the air?
Causes global dimming and can irritate lungs
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What causes acid rain?
Sulphur Dioxide in water
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What do catalytic converts do?
Removes some of the polluting gases from waste petrol
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What is a biofuel?
e.g Ethanol. Used to power things
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Give 3 advantages of biofuels
1) They have less pollutants 2) Renewable 3) They are carbon neutral
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Give 3 disadvantages of biofuels
1) Land used to grow biofuels could be used to grow food for people (ethical) 2) Trees and habitats destroyed to clear land 3) Their behaviour - lower freezing temp. New tech needed to deal with them
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What is cracking?
Turning a long hydrocarbon into a short hydrocarbon
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What is an alkene?
Something that has double bonds between carbons
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What is an unsaturated hydrocarbon?
Another name for an alkene
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What is the test for unsaturated double bonds?
Bromine water - turns colourless
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What is a monomer?
Means one bit
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What is a polymer?
Means many bits
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How do monomers turn into polymers?
Polymerisation
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.What are the two different ways of making ethanol?
Fermentation or hydration
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Give the word equation for the fermentation of sugars
Sugar (then add yeast) ---> ethanol + carbon dioxide
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What did Miller and Urey show?
They showed that amino acids could be formed under the conditions of the early atmosphere
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What is the main gas in today’s atmosphere?
Nitrogen
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What does locked up carbon refer to?
A carbon stored in rocks and fossils
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Other cards in this set

Card 2

Front

What is the charge of protons, neutrons and electrons?

Back

+1, 0 and -1 (In that order)

Card 3

Front

What is a compound?

Back

Preview of the front of card 3

Card 4

Front

What is an element?

Back

Preview of the front of card 4

Card 5

Front

Where on the periodic table can we find the number of protons an element has?

Back

Preview of the front of card 5
View more cards

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HolsMaths

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:) *screaming*

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