Argon gas is commonly used inside incandescent light bulbs to prevent the hot tungsten filament from reacting with oxygen.
Figure 1 shows the electronic structure of an argon atom.
Explain, with reference to Figure 1, why argon is chemically inert and does not react with the tungsten filament.
Group 0 Questions
Practise Edexcel GCSE Chemistry Group 0 with exam-style questions for Foundation and Higher tier. 30 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.