Kelvi

For the second period elements, the correct increasing order of first ionization enthalpy is:

medium

Classification of Elements and Periodicity in Properties

2019

chemistry

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

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

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

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

Explanation

To determine the correct increasing order of first ionization enthalpy for the second period elements, we need to understand the general trends and exceptions in ionization energies. $\\$ The elements in the second period are: $\\$ • Lithium (Li) $\\$ • Beryllium (Be) $\\$ • Boron (B) $\\$ • Carbon (C) $\\$ • Nitrogen (N) $\\$

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