(a) Define the term ‘electron affinity’. (b) Arrange the elements of second period in increasing order of their electron affinity.
(a) Define the term ‘electron affinity’.
(b) Arrange the elements of second period in increasing order of their electron affinity. Name the elements which do not follow the trend in this period.
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(a) Electron affinity is the energy released when a neutral gaseous atom acquires an electron to form an anion.
(b) Second period: Lithium
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