Magnesium is a metal - Edexcel - GCSE Chemistry Combined Science - Question 4 - 2023 - Paper 1
Question 4
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 periodic ta... show full transcript
Worked Solution & Example Answer:Magnesium is a metal - Edexcel - GCSE Chemistry Combined Science - Question 4 - 2023 - Paper 1
Step 1
State one physical property of magnesium.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
One physical property of magnesium is that it is shiny, exhibiting a reflective surface.
Step 2
Which element is in the same group of the periodic table as magnesium?
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The element that is in the same group as magnesium is D strontium.
Step 3
Complete the electronic configuration of a magnesium atom.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
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.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Chlorine's electronic configuration of 2.8.7 shows that it has seven electrons in its outer shell. Since it is in period 3 of the periodic table, the presence of three shells (2, 8, and 7) indicates that the period number corresponds to the total number of electron shells.
