Mark Scheme (Results) June 2010
Mark Scheme (Results) June 2010
GCE
GCE Chemistry (6CH01/01)
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Summer 2010
Publications Code US023629
All the material in this publication is copyright ? Edexcel Ltd 2010
6CH01_01 1006
Section A (multiple choice)
Question Number 1 (a)
Correct Answer B
Question Number 1 (b)
Correct Answer D
Question Number 2
Correct Answer D
Question Number 3
Correct Answer A
Question Number 4 (a)
Correct Answer B
Question Number 4(b)
Correct Answer D
Question Number 4 (c)
Correct Answer C
Question Number 4 (d)
Correct Answer A
Question Number 5
Correct Answer B
Question Number 6
Correct Answer A
Question Number 7
Correct Answer C
Question Number 8
Correct Answer D
Question Number 9
Correct Answer C
Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1
6CH01_01 1006
Question Number 10
Question Number 11
Question Number 12
Question Number 13
Question Number 14 (a)
Question Number 14 (b)
Question Number 14 (c)
Correct Answer C Correct Answer D Correct Answer B Correct Answer D Correct Answer B Correct Answer A Correct Answer C
Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1
6CH01_01 1006
Section B
Question Acceptable Answers Number
15 (a)(i)
Reject
Mark 2
electrons (1) charge (1) square brackets not essential
Mark independently
Ignore (labelling of) nucleus unless incorrect
Question Acceptable Answers Number 15 (a)(ii) 1s22s22p63s23p6
Allow electron number as sub script
Allow orbitals as capital letters Allow TE from (a) (i) if Ca atom or Ca+ ion
Reject
Mark 1
Question Acceptable Answers Number
Reject
Mark
15 (a)(iii) Smaller
2
Because it has one less (sub) shell of electrons bigger scores
/ orbital / energy level / less shielding (1)
zero
And the ratio of protons : electrons has increased / more protons than electrons / greater net force on remaining electrons (so remainder of electrons held more closely) / greater effective nuclear charge (1)
greater nuclear charge /positive charge
6CH01_01 1006
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