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Edexcel Certificate
Edexcel
International GCSE
Centre Number
Candidate Number
Chemistry
Unit: KCH0/4CH0
Science (Double Award) KSC0/4SC0
Paper: 1C
Monday 14 January 2013 – Morning
Time: 2 hours
Paper Reference
KCH0/1C 4CH0/1C
KSC0/1C 4SC0/1C
You must have:
Calculator
Ruler
Total Marks
Instructions
Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name, centre number and candidate number.
Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.
Show all the steps in any calculations and state the units.
Information
The total mark for this paper is 120.
The marks for each question are shown in brackets
– use 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.
Keep an eye on the time.
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
P41538A
©2013 Pearson Education Ltd.
1/1/1/1/1/
*P41538A0128*
2
*P41538A0228*
BLANK PAGE
*P41538A0328*
3
Turn over
Answer ALL questions.
1 This question is about the element beryllium.
(a) Use words from the box to complete the sentences about beryllium.
Each word may be used once, more than once or not at all.
(7)
electrons
negative
neutral
neutrons
nucleus
positive
protons
shells
An atom of beryllium has a central ............................................................ that contains particles called ......... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and . . . . . ....................................................... . Around these particles there are . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...............
Surname
Other names
Edexcel Certificate
Edexcel
International GCSE
Centre Number
Candidate Number
Chemistry
Unit: KCH0/4CH0
Science (Double Award) KSC0/4SC0
Paper: 1C
Monday 14 January 2013 – Morning
Time: 2 hours
Paper Reference
KCH0/1C 4CH0/1C
KSC0/1C 4SC0/1C
You must have:
Calculator
Ruler
Total Marks
Instructions
Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name, centre number and candidate number.
Answer all questions.
Answer the questions in the spaces provided
– there may be more space than you need.
Show all the steps in any calculations and state the units.
Information
The total mark for this paper is 120.
The marks for each question are shown in brackets
– use 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.
Keep an eye on the time.
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
P41538A
©2013 Pearson Education Ltd.
1/1/1/1/1/
*P41538A0128*
2
*P41538A0228*
BLANK PAGE
*P41538A0328*
3
Turn over
Answer ALL questions.
1 This question is about the element beryllium.
(a) Use words from the box to complete the sentences about beryllium.
Each word may be used once, more than once or not at all.
(7)
electrons
negative
neutral
neutrons
nucleus
positive
protons
shells
An atom of beryllium has a central ............................................................ that contains particles called ......... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and . . . . . ....................................................... . Around these particles there are . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...............