Name______________________

Summary Questions to assist in the UNIT 1 TEST

C1.1 ATOMS

Q1: What is an atom?

Q2: where would you find all the elements?

Q3: what is the chemical symbol for these?

Magnesium ____ sodium ________ oxygen ________ Calcium ________

Q4: What is the central part of the atom called?

Q5: What does it contain?

Q6: What goes around the nucleus? And what is on them?

Q7: what part of the atom has the charge of +1?

Q8) What does not have a charge?

Q9) Why do atoms have not overall charge?

Q10) What does the atomic number represent? And where is this featured on the periodic table?

Q11) What is the atomic number of oxygen?

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Q12) what is the mass number and what does this represent?

Q13) what is the mass number for calcium?

Q14) how many electrons can go on each energy level / shell?

Q15) how would the electrons be structured in a sodium atom? (draw or write the configuration)

Q16) How many electrons has sodium got? (how do you know this)

Q17) How many protons has magnesium got?

Q18) how many neutrons has iron got?

Q19) how many protons, neutrons and electrons has calcium got?

P____ E _____ N ____

The periodic table questions C1.1.2

Q1) What do all the elements in group 1 have in common?

Q2) How do the elements in group 1 react with water?

Q3 ) what gas is given off?

Q4) what is group 8/0 called?

Q5) why are they un-reactive?

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C1.1.3 CHEMICAL REACTIONS

Q1) What is an ION?

Q2) What is a compound?

Q3) What is a molecule?

Q4) What is the difference between a molecule and compound?

Q5) what is IONIC bonding?

Q6) What is a COVALENT bonding?

Q7) what type of IONS do metals form when they LOSE electrons?

Q8) What type of IONS do non metals form when they GAIN electrons?

Q9) write the following equation in symbols:

Magnesium + oxygen magnesium oxide

_________ +__________ ___________________

Calcium carbonate breaks down to form Calcium oxide and carbon dioxide

_________________ ________________ + _____________

Q10) What does the ‘conservation of mass’ mean ?

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LIMESTONE (c1.2)and BUILDING MATERIALS and CALCIUM CARBONATE (C1.2.1)

QUESTIONS

Q1) what type of rock is limestone?

Q2) how is this formed?

Q3) What is the formula for limestone?

Q4) what elements make up limestone (hint: look at its formula)

Q5) What is the formula for Calcium Oxide?

Q6) What is the formula for Calcium Hydroxide?

Q7) What is thermal decomposition?

Q8) what is missing from this equation- Calcium Oxide+ ___________ Calcium Hydroxide

Q9) Is Limestone (Calcium Carbonate) an acid of alkali?

Q10) Name two uses of limestone

1)

2

Q11) How are compounds different to mixtures? (what can you do to a mixture that you can’t do for a compound?)

Q12) What is a positive effect of quarrying limestone?

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Q13) What is a negative effect of quarrying limestone?

Q14) what is the test for carbon dioxide?

Q15) how is concrete made?

Q16) How is cement made?

Q17) When carbonates react with acids they produce carbon dioxide + salt and what other substance?

HOW SCIENCE WORKS QUESTION maybe looking at different types of building materials and comparing the advantages and disadvantages of each. The data may come in a table or a graph – be prepared for questions like this.

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Metals and their uses C1.3

Q1) what does ‘mining metal ores’ mean?

Q2) what are the advantages of mining?

Q3) what are the disadvantages of mining?

Q4) why is copper used for pipes?

Q5) Why is gold used for jewellery?

Q6) name two uses of platinum

Q7) what is an ‘Ore’?

Q8) some metals can be used as catalysts, what does this mean and why can this be a good thing in industry ?

Q9) What is an alloy?

Q10) Name a use of iron.

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C1.3.1

Q1) Gold is found in its ‘native’ state in the ground- what does this mean?

Q2) what element is used in the ‘reduction’ process?

Q3) what is the main element that you are trying to reduce in the reduction process?

Q4) write a word equation for the reduction of iron oxide in a blast furnace to make iron. (Use words including; iron oxide, iron, carbon, carbon dioxide)

Q5) metals that are more reactive than carbon are extracted using what process (think of the word that means “splitting up with electricity”)

Q6) what are TWO major disadvantage of this process?

Q7) what is “smelting” and name a metal that has this extraction process?

Q8) what is a major environmental impact of mining copper?

Q9) what does PHYTOMINING use to absorb the metal compounds?

Q10) what does BIOLEACHING use to produce leachate solutions that contain metal compounds?

Q11) What happens to the positive ions in electrolysis? (where do they go?)

Q12) what are some of the benefits of recycling metals?

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C1 3.2. Alloys

Q1) what does the blast furnace do?

Q2) why does pure iron have limited uses?

Q3) Alloys that are mixtures of Iron and carbon are called _______________

Q4) Alloys can be designed for specific uses; name two alloys

Q5) There are three main types of steel;

Low- Carbon steels,

High- carbon steels

and also ____________ steel (think of cutlery).

Q6) What is the main benefit of each of these types of steel?

C1 3.3 Properties and uses of metals

Q1) where are the transition metals on the periodic table?

Q2) Name at least 5 properties of most of the transition metals

Q3) name two uses of copper

Q4) what can aluminium be used for?

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C1.4 Crude Oil and Fuels

Q1) how is crude oil formed?

Q2) what are bio-fuels produced from?

Q3) what does non- renewable mean?

Q4) What is fractional distillation?

Q5) what is combustion?

Q6) Name a few negative impacts on mining crude oil?

Q7) how does burning hydrocarbon fuels affect the environment?

Q8) Hydrogen and ethanol are alternative fuels and have many benefits- name at least 2.

1.

2.

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C1 4.1 Crude oil

Q1) is crude oil a mixture or a compound?

Q2) What is distillation?

Q3) what is a hydrocarbon?

Q4) what type of hydrocarbon is an ALKANE?

Q5) What is the formula for an alkane?

Q6) Name an alkane

C1.4.2 Hydrocarbons

Q1) Draw the diagram of C2 H 6

Q2) What type of bond happening in a hydrocarbon – covalent or ionic?

Q3) What is fractional distillation?

Q4) What major processes happen in a fractional distillation column?

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Q5) What properties do long chain hydrocarbons have? (hint- think about their boiling, viscosity and flammability!!)

Q6) What properties do short hydrocarbon chains have?

C1.4.3.Hydrocarbon fuels

Q1) what products form when fossil fuels are burnt?

Q2) what is combustion?

Q3) what happens to carbon and hydrogen during combustion?

Q4) what two main chemicals form acid rain?

Q5) what gas contributes to the formation of global warming?

Q6) what tends to cause global dimming?

Q7) what are bio-fuels produced from?

Q8) what is an advantage and disadvantage to biofuels?

Q9) Give an example of a biofuel or biodiesel..

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C1.5 Other useful substances from crude oil

Q1) what is a disadvantage of using crude oil?

Q2) Name a use of crude oil

Q3) what are polymers?

Q4) evaluate making ethanol from renewable and non renewable resources

C1.5.1. Obtaining useful substances from crude oil

Q1) What is cracking?

Q2) what does the word ‘catalyst’ mean?

Q3) what is ‘ thermal decomposition’?

Q4) what is the formula for an alkene?

Q5) is an alkene saturated or unsaturated?

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Q6) what does the symbol = mean in a alkene structural formula?

Q7) what is the test for unsaturated hydrocarbons? (hint- a certain type of water)

C1.5.2. Polymers

Q1) How are polymers formed?

Q2) what are monomers?

Q3) what can polymers be used for?

Q4) what is a major disadvantage of polymers?

Q5) Corn starch can be used to make biodegradable plastic bags explain why this has its advantages and also disadvantages.

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C1.5.3 ethanol

Q1) how is ethanol produced?

Q2) how can you produce ethanol using non renewable resources?

C1.6 Plant oils

Q1)In your diet, which is better for you saturated or unsaturated fats?

Q2) why?

Be prepared in this section in the exam you may get the How Science works questions and be expected to evaluate different types of oil from the data given

C1.6 .1 vegetable oils

Q1) explain the basic process about how vegetable oils are produced

Q2) vegetable oils contain vital things for the human body – what are they? (name two)

Q3) What are the positive effects of using oil to cook potatoes rather than water?

Q4) what are the negative effects?

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C1.6.2 Emulsions

Q1) what is an emulsion?

Q2) Does oil dissolve in water?

Q3)how do you make an emulsion?

Q4) give two different examples of emulsions

1

2

Q5) Emulsions have hydrophilic and hydrophobic properties – what does this mean?

C1.6.3 Saturated and unsaturated oils

Q1) are vegetable oils unsaturated or saturated?

Q2) do they have single or double carbon carbon bonds?

Q3) how can you harden vegetable oils to make them useful for cake making? (like butter/ margarine)

Q4) Give an example of a catalyst in making margarine

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C1.7 Changes in the Earth and its atmosphere

Q1) What was wegeners theory about the earth?

Q2) why was this dismissed for a while?

Q3) explain why scientists cannot accuracy always predict volcanoes and earthquakes

Q4) Name some ways in which humans affect the atmosphere (hint: think of all the other things in this Unit we have talked about)

Q5) explain why we do not have any evidence of how life was first formed

C1.7.1 The Earth’s crust

Q1) name the 3 parts that make up the earth

Q2) what are the tectonic plates?

Q3) how do the tectonic plates move? (hint: two words both beginning with the same letter)

Q4) at what speed do they move?

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C1.7.2 The Earth’s atmosphere

Q1) what is the composition of our air? (and what are the percentages?)

Q2) What did volcanic activity do for the atmosphere?

Q3) find out what the MILLER-UREY experiment is (just basic information)

Q4) what is the ‘ PRIMORDIAL SOUP’ theory

Q5) What produced the oxygen that is now in our atmosphere?

Q6) where did the carbon go from the carbon dioxide in the air?

Q7) what gas is produced when fossil fuels are burnt?

Q8) why can this be a problem?

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Questions for lessons and also homework opportunities

Please bring with you every lessonPlease star what you have found hard and then it can be a good reference point

on what you/ we need to work on

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Name:

Group:

Teacher: Miss. Devine

AQA UNIT 1

CHEMISTRY

SCIENCE A