Potassium oxide is a highly reactive ionic compound used in industrial glass manufacture.
Write the electronic configurations for the ions present in potassium oxide, K2O\text{K}_2\text{O}K2O.
potassium ion: ..... oxide ion: .....
Practise Edexcel GCSE Chemistry Ionic bonding with exam-style questions for Foundation and Higher tier. 42 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.