The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Structure of the Atom — quick quiz

5 SOF NSO-pattern questions on Structure of the Atom. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Hard

An element X has mass number 35 and contains 18 neutrons in its nucleus. What is the electronic configuration of element X?