Element X is in group 1 of the periodic table.
Which statement describes the formation of an ion from an atom of X?
The atom gains one electron and forms a 1+1+1+ ion.
The atom loses one electron and forms a 1−1-1− ion.
The atom gains one electron and forms a 1−1-1− ion.
The atom loses one electron and forms a 1+1+1+ ion.
119 exam-style questions on Edexcel GCSE Chemistry 2.3 Ionic bonding, covering 2.3.1 Ions and the formation of ionic bonds, 2.3.2 Naming and deducing formulae of ionic compounds, and 2.3.3 Giant ionic lattices. Each one has a worked solution and a mark scheme showing where the marks go.