4 (a) Magnesium is a metal - Edexcel - GCSE Chemistry Combined Science - Question 4 - 2023 - Paper 1
Question 4
4 (a) Magnesium is a metal.
(i) State one physical property of magnesium.
(ii) Which element is in the same group of the periodic table as magnesium? Use the perio... show full transcript
Worked Solution & Example Answer:4 (a) Magnesium is a metal - Edexcel - GCSE Chemistry Combined Science - Question 4 - 2023 - Paper 1
Step 1
State one physical property of magnesium.
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Answer
One physical property of magnesium is that it is shiny.
Step 2
Which element is in the same group of the periodic table as magnesium?
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Answer
The element that is in the same group as magnesium is D strontium.
Step 3
Complete the electronic configuration of a magnesium atom.
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Answer
The electronic configuration of a magnesium atom is 2.8.2.
Step 4
Explain how the electronic configuration of chlorine is linked to its period in the periodic table.
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Answer
The electronic configuration of chlorine, which is 2.8.7, indicates that it is in Period 3 of the periodic table. This is because the number of electron shells corresponds to the period number. Chlorine has three electron shells, with the outermost shell containing 7 electrons, demonstrating its position in the third period.
