Question

Arrange the elements of second period in increasing order of the electron affinity name the elements which do not allow the trend in this period

Answer 1

Lithium
Beryllium
Bromine
Carbon
Nuts
Oxygen
Fluorine
Neon


Neon has less affinity towards electron affinity and is almost unreactive because it is a noble has and has valency 0.
This is because its shells are filled.



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Answer 2

Given that,

Arrange the elements of second period in increasing order of the electron.

We know that,

The elements of second period in increasing order of the electron

We need to write the element of second period

Using periodic table

Li = Lithium

Be = Beryllium

B = Bromine

C = Carbon

N = Nitrogen

O = Oxygen

F = Fluorine

N = Neon

In increasing order,

$Li<Be<B<C<N<O<F$

Here, Neon , Nitrogen and Beryllium  do not follow the trend in this period.

In the second period Be, N and Ne has zero electron affinity value.

Hence, This is required answer,