what is second ionisation enthalpy of group 2 elements
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second ionization enthalpy of group 2 elements is more than the frst ionization enthalpy.
Rituangel:
hmm
order is #"Be < C < B < N < F < O < Ne < Li"#.
Explanation:
The second ionization energy (#"IE"_2#) is the energy required to remove an electron from a 1+ cation in the gaseous state.
#"X"^"+""(g)" → "X"^"2-""(g)" + "e"^"-"#
Just like the first ionization energy, #"IE"_2# is affected by size, effective nuclear charge, and electron configuration.
We would expect second ionization energies to increase from left to right as the ionic size decreases.
Explanation:
The second ionization energy (#"IE"_2#) is the energy required to remove an electron from a 1+ cation in the gaseous state.
#"X"^"+""(g)" → "X"^"2-""(g)" + "e"^"-"#
Just like the first ionization energy, #"IE"_2# is affected by size, effective nuclear charge, and electron configuration.
We would expect second ionization energies to increase from left to right as the ionic size decreases.
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