Which statement is correct regarding the atomic structure of elements as you move from left to right across Period 3 of the Periodic Table?
The shielding of outer-shell electrons by inner-core electrons remains approximately constant.
The first ionization energy increases continuously because of the increasing nuclear charge.
The atomic radius increases because of the increasing number of electrons in the outer shell.
Each successive element has its highest-energy electron in a higher-energy subshell than the previous element.
77 exam-style questions on OCR GCSE Chemistry Atomic structure. Each one has a worked solution and a mark scheme showing where the marks go.