Sulfur has the electron configuration [Ne]3s23p4[\text{Ne}]3s^23p^4[Ne]3s23p4.
Which statement(s) about sulfur is/are correct when it reacts in redox reactions?
1, 2 and 3
Only 1 and 2
Only 2 and 3
Only 1
199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.