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1.2 The periodic table

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Question 2
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Magnesium is in Period 3 of the periodic table. What does the period number tell you about a magnesium atom?

[1]
A

It has 3 electrons in the outer shell of the atom

B

It has 3 electrons in total in the whole atom

C

It has 3 protons in the nucleus of the atom

D

It has 3 occupied electron shells around the nucleus

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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