PPT C1 1.1 F & H

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Transcript PPT C1 1.1 F & H

C1.1.1 Atoms
e le c tr o n
n e u tr o n
p r o to n
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Using Exam pro items to support successful
outcomes
• Learners will be able to test their progress against learning
outcomes using questions from past AQA GCSE questions
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Foundation C1 Jan 12, 1
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Complete the table to show the name and charge of each
type of particle in the carbon atom
1.
Name of Particle
Charge
Proton
Neutron
0
-1
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Draw a ring round the correct answer to complete the
sentence
2.
3.
4.
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Complete the sentence
5. Gold and carbon have different properties because gold is a
metal and carbon is a ………………………..
The data in the table shows some information about 3 metals
in a gold ring
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Draw one line from each question to the correct
answer
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Mark scheme- Foundation- Total 9 marks
Question
Answers
Extra Information
Mark
1
+1/+
Do not accept 1 without
the +
1
Electron
Allow phonetic spelling
1
2
elements
1
3
Soft
1
4
An alloy
1
5
Non- metal
1
6
One mark for each
correct link
Extra lines lose the
mark
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3
Higher Questions C1 Jan 12 , 1
1.
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2.
A gold atom has an atomic number of 79 and a mass number
of 197.
Complete the table to show the name and number of each
sub-atomic particle in this gold atom
Name
Number
Proton
79
Electron
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3. The bar chart shows the composition of
this gold ring
Give the percentage of the
metals in this gold ring.
a) Silver is ……….%
b) Copper is …… %
This gold ring is not
made from 100% gold.
c) Give two reasons why.
other two metals iu
why.
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Mark scheme- Higher- Total 7 marks
Question
Answers
Extra Information
Mark
1
2,4
Allow electrons in any
position on correct shells
1
2
(electron) 79
Neutron
118
Allow phonetic spelling
1
1
1
3a+ 3b
16 and 9
In this order
1
3c
An two from
• (100%/pure) gold is soft
• (alloyed) to make the
metal hard(er)
• Gold is expensive or
alloy is less expensive
Ignore reasons about
colour/lustre/corrosion/rarity
Allow layers can slide in pure
gold
Ignore just ‘the ring is an alloy’
Allow (alloyed) to stop the
layers sliding
Allow ( alloyed) to make the
metal strong
2
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