Write your name here
Surname Other names
Centre Number Candidate Number
Pearson Edexcel
International GCSE
Chemistry
Unit: 4CH0
Science (Double Award) 4SC0
Paper: 1C
Wednesday 10 January 2018 – Morning Paper Reference
4CH0/1C
Time: 2 hours 4SC0/1C
You must have: Total Marks
Calculator, ruler
Instructions
• Use black ink or ball-point pen.
• centre
Fill in the boxes at the top of this page with your name,
number and candidate number.
• Answer allthequestions.
Answer
• – there may bequestions in the spaces provided
more space than you need.
• Show all the steps in any calculations and state the units.
• your mind
Some questions must be answered with a cross in a box
about an answer, put a line through the box
. If you change
and then mark
your new answer with a cross .
Information
• The
The total mark for this paper is 120.
• – usemarks for each question are shown in brackets
this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Write your answers neatly and in good English.
• Try to answer every question.
• Check your answers if you have time at the end.
Turn over
P53275A
©2018 Pearson Education Ltd.
1/1/1/1/1/
*P53275A0132*
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
*P53275A0232*
2
, Answer ALL questions.
1 Use the Periodic Table on page 2 to help you answer this question.
DO NOT WRITE IN THIS AREA
(a) Give the symbol of the element that has an atomic number of 14.
(1)
. . . . . . . . . . . . .................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............ ............................................................................................................................... . . . . . . . . . . . . . . . . . . . . . .
(b) Give the symbol of the element that has a relative atomic mass of 14.
(1)
. . . . . . . . . . . . .................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............ ............................................................................................................................... . . . . . . . . . . . . . . . . . . . . . .
(c) Give the number of the group that contains the noble gases.
(1)
. . . . . . . . . . . . .................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............ ............................................................................................................................... . . . . . . . . . . . . . . . . . . . . . .
(d) Identify the group whose atoms form ions with a charge of +1.
DO NOT WRITE IN THIS AREA
(1)
A 1
B 2
C 6
D 7
(e) Identify the group whose atoms form ions with a charge of –1.
(1)
A 1
B 2
C 6
DO NOT WRITE IN THIS AREA
D 7
(Total for Question 1 = 5 marks)
*P53275A0332*
3
Turn over
, 2 The diagram shows the arrangement of particles in the three states of matter.
Each circle represents a particle.
DO NOT WRITE IN THIS AREA
X Y Z
(a) Use the letters X, Y and Z to give the starting and finishing states of matter for
each of the changes in the table.
The first one has been done for you.
(3)
DO NOT WRITE IN THIS AREA
Change Starting state Finishing state
ice to water Z Y
solid iodine to iodine gas
molten iron to solid iron
ethene to poly(ethene)
(b) Which of these changes takes place when solid iodine is heated to form iodine gas?
(1)
A crystallisation
B evaporation
C melting
DO NOT WRITE IN THIS AREA
D sublimation
(Total for Question 2 = 4 marks)
4
*P53275A0432*
Surname Other names
Centre Number Candidate Number
Pearson Edexcel
International GCSE
Chemistry
Unit: 4CH0
Science (Double Award) 4SC0
Paper: 1C
Wednesday 10 January 2018 – Morning Paper Reference
4CH0/1C
Time: 2 hours 4SC0/1C
You must have: Total Marks
Calculator, ruler
Instructions
• Use black ink or ball-point pen.
• centre
Fill in the boxes at the top of this page with your name,
number and candidate number.
• Answer allthequestions.
Answer
• – there may bequestions in the spaces provided
more space than you need.
• Show all the steps in any calculations and state the units.
• your mind
Some questions must be answered with a cross in a box
about an answer, put a line through the box
. If you change
and then mark
your new answer with a cross .
Information
• The
The total mark for this paper is 120.
• – usemarks for each question are shown in brackets
this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Write your answers neatly and in good English.
• Try to answer every question.
• Check your answers if you have time at the end.
Turn over
P53275A
©2018 Pearson Education Ltd.
1/1/1/1/1/
*P53275A0132*
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
*P53275A0232*
2
, Answer ALL questions.
1 Use the Periodic Table on page 2 to help you answer this question.
DO NOT WRITE IN THIS AREA
(a) Give the symbol of the element that has an atomic number of 14.
(1)
. . . . . . . . . . . . .................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............ ............................................................................................................................... . . . . . . . . . . . . . . . . . . . . . .
(b) Give the symbol of the element that has a relative atomic mass of 14.
(1)
. . . . . . . . . . . . .................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............ ............................................................................................................................... . . . . . . . . . . . . . . . . . . . . . .
(c) Give the number of the group that contains the noble gases.
(1)
. . . . . . . . . . . . .................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............ ............................................................................................................................... . . . . . . . . . . . . . . . . . . . . . .
(d) Identify the group whose atoms form ions with a charge of +1.
DO NOT WRITE IN THIS AREA
(1)
A 1
B 2
C 6
D 7
(e) Identify the group whose atoms form ions with a charge of –1.
(1)
A 1
B 2
C 6
DO NOT WRITE IN THIS AREA
D 7
(Total for Question 1 = 5 marks)
*P53275A0332*
3
Turn over
, 2 The diagram shows the arrangement of particles in the three states of matter.
Each circle represents a particle.
DO NOT WRITE IN THIS AREA
X Y Z
(a) Use the letters X, Y and Z to give the starting and finishing states of matter for
each of the changes in the table.
The first one has been done for you.
(3)
DO NOT WRITE IN THIS AREA
Change Starting state Finishing state
ice to water Z Y
solid iodine to iodine gas
molten iron to solid iron
ethene to poly(ethene)
(b) Which of these changes takes place when solid iodine is heated to form iodine gas?
(1)
A crystallisation
B evaporation
C melting
DO NOT WRITE IN THIS AREA
D sublimation
(Total for Question 2 = 4 marks)
4
*P53275A0432*
