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2.2 The periodic table

2.2 The periodic table

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Question 16
H

Which discovery provided the modern basis for ordering the periodic table and resolved mass-order anomalies?

[1]
A

electrons have negligible mass

B

compounds contain fixed mass ratios

C

neutrons are uncharged

D

proton number is unique to each element

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2.2 The periodic table Questions

  1. GCSE
  2. /Chemistry
  3. /2.2 The periodic table

80 exam-style questions on Edexcel GCSE Chemistry 2.2 The periodic table, covering 2.2.1 Mendeleev's periodic table, 2.2.2 Periods, groups, metals and non-metals, and 2.2.3 Electronic configuration and position in the periodic table. Each one has a worked solution and a mark scheme showing where the marks go.

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