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2.2 Bonding

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Question 22
F

Mendeleev ordered the elements mainly by atomic mass. Later, the Periodic Table was refined so that the elements are ordered by atomic number.

Which discovery made this possible?

[1]
A

The discovery of neutrons in the nucleus

B

The discovery of protons in the nucleus

C

The discovery of the noble gases

D

The discovery of electron shells

Markscheme

2.2 Bonding Questions

  1. GCSE
  2. /Chemistry
  3. /2.2 Bonding

64 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.

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