Iron(II) chloride is an ionic compound containing Fe2+\text{Fe}^{2+}Fe2+ and Cl−\text{Cl}^-Cl− ions.
The atomic number of iron is 26.
What is the electronic configuration of the Fe2+\text{Fe}^{2+}Fe2+ ion?
1s22s22p63s23p63d61\text{s}^2 2\text{s}^2 2\text{p}^6 3\text{s}^2 3\text{p}^6 3\text{d}^61s22s22p63s23p63d6
1s22s22p63s23p63d44s21\text{s}^2 2\text{s}^2 2\text{p}^6 3\text{s}^2 3\text{p}^6 3\text{d}^4 4\text{s}^21s22s22p63s23p63d44s2
1s22s22p63s23p63d54s11\text{s}^2 2\text{s}^2 2\text{p}^6 3\text{s}^2 3\text{p}^6 3\text{d}^5 4\text{s}^11s22s22p63s23p63d54s1
1s22s22p63s23p63d81\text{s}^2 2\text{s}^2 2\text{p}^6 3\text{s}^2 3\text{p}^6 3\text{d}^81s22s22p63s23p63d8
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.