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1.2 The periodic table

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Question 5
F

Mendeleev placed tellurium before iodine in his periodic table, even though tellurium has the higher atomic weight. Why did Mendeleev do this?

[1]
A

So that each element was placed in order of increasing atomic number

B

So that the gaps for undiscovered elements were spaced out evenly

C

So that each element was placed with other elements of similar properties

D

So that the metals were kept separate from the non-metals in the table

Markscheme

1.2 The periodic table Questions

  1. GCSE
  2. /Chemistry
  3. /1.2 The periodic table

40 exam-style questions on AQA GCSE Chemistry 1.2 The periodic table, covering 1.2.1 The periodic table, 1.2.2 Development of the periodic table, 1.2.3 Metals and non-metals, 1.2.4 Group 0, 1.2.5 Group 1, and 1.2.6 Group 7. Each one has a worked solution and a mark scheme showing where the marks go.

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