Element X forms a 1⁻ anion with an ionic radius of 181 pm

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Element X forms a 1⁻ anion with an ionic radius of 181 pm. The electron affinity of the neutral atom is −349 kJ·mol⁻¹. Which element is most consistent with these observations? (a) Br\mathrm{Br} (b) Cl\mathrm{Cl} (c) F\mathrm{F} (d) S\mathrm{S}

Related theory

Browse the problem library