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What's in the middle of a atom?
Protons and neutrons
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Wha charge does a proton have?
Positive
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What is the mass of a proton?
1
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What charge does a neutron have?
No charge
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What is the mass of a neutron?
1
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What charge does a electron have?
Negative
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What is the mass of an electron?
0
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What charge does a Atom have overall?
No charge
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What happens if some electrons are added or taken away?
It becomes an ion
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What is the bottom number on a element?
Protons\electrons
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What is the top number on a element?
Protons + neutrons
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What makes limestone useful for buildings?
Sturdy
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What is the name for limestone?
Calcium carbonate
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What happens when limestone is heated?
It thermally decomposes
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What's does limestone make when it's thermally decomposed?
Calcium oxide + carbon dioxide
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What are the other elements hat decompose in the same way?
Magnesium, copper, zinc, sodium carbonate
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What other thins is limestone useful for?
Cement and concrete
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What are the environmental problems digging for limestone can cause ?
Noise pollution, destroys habitats, waste pollution
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What are the pros of using limestone?
Makes houses and roads, neutralises acidic soil, used in power stations and provides jobs
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What is a metal ore?
A rock which contains enough metal to make it worthwhile to extract metal from it
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Which to groups on the periodic table are the most reactive?
1 and 7
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Is group 8 reactive or unreactive and why?
Unreactive because it's got a full outer shell
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What is atomic structure to do with?
Protons, electrons and neutrons
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Why is the disadvantage of using electrolysis?
It's very expensive
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What goes into the blast furnace?
Carbon, ore and limestone
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What comes out the blast furnace?
Co2, metal and ****
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What is the advantage of recycling metals?
Saves a lot of energy
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What is a disadvantage of recycling metals?
Can be difficult to separate
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What happens in a fractional distillation?
Crude oil is heated up and most of it evaporates the rest is put in a column which condenses it if cooled enough and the hot heat rises
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What two things do u need for cracking?
High temperature and a catalyst
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What could too much carbon dioxide do to the environment?
Global warming
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What can too much sulphur dioxide do?
Acid rain
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What does too much particulates do to the environment?
Global dimming
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What is electrolysis?
Breaking down a substance using electricity
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What conducts electricity and allows the whole thing to work?
Free ions
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What are the basic properties of metals?
Strong, good at conduction heat, good at conducting electricity
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Which are better alloys or metals?
Alloys because they're harder
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What is crude oil?
A mixture
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What is a mixture?
Two or more elements or compounds that aren't chemically bonded
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What are crude oils made of?
Hydrocarbons
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What is the best way to split crude oils up?
Factional distillation
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When the crude oil is heated up what happens?
The oils rise and leave at different levels
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What are the levels in the fractional distillation system?
Bitumen, oil, diesel, kerosene, naphtha , petrol and then refinery gases
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What is the formulae for a alkane?
Cn+H2n+2
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What is the formulae for alkenes?
Cn+H2n
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Other cards in this set

Card 2

Front

Wha charge does a proton have?

Back

Positive

Card 3

Front

What is the mass of a proton?

Back

Preview of the front of card 3

Card 4

Front

What charge does a neutron have?

Back

Preview of the front of card 4

Card 5

Front

What is the mass of a neutron?

Back

Preview of the front of card 5
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