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2.2 Bonding

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Question 34

A student considers how Moseley's work changed the arrangement of the Periodic Table.

Statement 1: Moseley showed that each element has its own atomic number.

Statement 2: The atomic number was later explained as the number of neutrons in an atom's nucleus.

Statement 3: Using atomic number explains why elements in the same group have similar chemical behaviour.

Statement 4: When the elements are arranged in order of atomic number, iodine still has to be placed out of order so that it sits with the other halogens.

Which statements are correct?

[1]
A

2, 3 and 4 only

B

3 and 4 only

C

1 and 2 only

D

1 and 3 only

Markscheme

2.2 Bonding Questions

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

122 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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