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1.2 The periodic table

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Question 15
F

Most noble gas atoms have 8 electrons in their outer shell. Which noble gas is the exception, and how many outer electrons does it have?

[1]
A

Argon, and it has 2 electrons in the outer shell of its atoms

B

Helium, and it has 2 electrons in the outer shell of its atoms

C

Argon, and it has 6 electrons in the outer shell of its atoms

D

Helium, and it has 6 electrons in the outer shell of its atoms

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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