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1.2 The periodic table

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Question 13
H

Mendeleev did two things that earlier scientists had not done. Which pair of statements describes what he did?

[1]
A

He ordered the elements by atomic number and left gaps for undiscovered ones

B

He ordered the elements by atomic number and changed the order in some places

C

He left gaps for undiscovered elements and removed those he could not place

D

He left gaps for undiscovered elements and changed the order in some places

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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