In reactions 1 and 2, X represents an element in Period 3. In each reaction, X is forming a product where X is in its highest oxidation state. reaction 1 chlorine + element X → XzCl₂ reaction 2 oxygen + element X → XpOq Which ratios show a steady increase from sodium to phosphorus?
✓ Correct answer
D: both z:y and q:p
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Chemical periodicity and see which topics are most likely to come up next.
Sign up free →