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GCSE
CHEMISTRY
Higher Tier Paper 1
H
Thursday 16 May 2019 Morning Time allowed: 1 hour 45 minutes
Materials
For Examiner’s Use
For this paper you must have:
a ruler Question Mark
a scientific calculator
1
the periodic table (enclosed).
2
Instructions 3
Use black ink or black ball-point pen. 4
Fill in the boxes at the top of this page.
5
Answer all questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 6
Do all rough work in this book. Cross through any work you do not want 7
to be marked. 8
In all calculations, show clearly how you work out your answer.
9
Information TOTAL
The maximum mark for this paper is 100.
The marks for questions are shown in brackets.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear presentation
AQA GCSE CHEMISTRY Higher Tier Paper 1&2 QP and M
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,AQA GCSE CHEMISTRY Higher Tier Paper 1&2 QP and M
/scheme 2023
in your answers.
*Jun1984621H01*
IB/G/Jun19/E10 8462/1H
AQA GCSE CHEMISTRY Higher Tier Paper 1&2 QP and M
/scheme 2023
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about the periodic table.
In the 19th century, some scientists tried to classify the elements by arranging them in
order of their atomic weights.
Figure 1 shows the periodic table Mendeleev produced in 1869.
His periodic table was more widely accepted than previous versions.
Figure 1
0 1 . 1 The atomic weight of tellurium (Te) is 128 and that of iodine (I) is 127
Why did Mendeleev reverse the order of these two elements?
[1 mark]
*02*
IB/G/Jun19/8462/1H
, 3
Do not write
outside the
0 1 . 2 Mendeleev left spaces marked with an asterisk * box
He left these spaces because he thought missing elements belonged there.
Why did Mendeleev’s periodic table become more widely accepted than previous
versions?
[3 marks]
0 1 . 3 Mendeleev arranged the elements in order of their atomic weight.
What is the modern name for atomic weight?
[1 mark]
Tick () one box.
Atomic number
Mass number
Relative atomic mass
Relative formula mass
0 1
.4 Complete the sentence.
[1 mark]
In the modern periodic table, the elements are arranged in order of
.
Turn over ►
*03*
IB/G/Jun19/8462/1H