Explain why chlorine is more reactive than iodine.
Chlorine’s outer electrons / shell closer to the nucleus so the chlorine nucleus has greater attraction for outer electrons / shell and therefore chlorine gains an electron more easily.
JN
Related Chemistry GCSE answers
All answers ▸What are reaction rates and what are the associated factors?
Magnesium oxide contains magnesium ions (Mg2+) and oxide ions (O2–). Describe what happens when magnesium atoms react with oxygen atoms to produce magnesium oxide.
