Question

Among period 2 elements- lithium, carbon, chlorine and fluorine - State the one which has highest electron affinity​

Answer 1

Answer:

electron affinity increases across the period and decreases down the group.

So, among period 2 elements chlorine has highest electron affinity.

Answer 2

Answer:

Chlorine the highest electron affinity.

Explanation:

According to the trend of electron affinity it increases across the period and decreases down the group and in this case Chlorine is present at the End of group 17 that is period 3 this is the reason Chlorine is the highest electron affinity among its peroid.