A Level Chemistry 9701/13/O/N/19 Q32


The first ionisation energy of chlorine is greater than that of sulfur.
Which factors contribute to this?
1 Chlorine has more protons in its nucleus than sulfur does.
2 Chlorine has greater electron shielding than sulfur does.
3 The covalent bonds in chlorine molecules are stronger than those in sulfur molecules.

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