Question

what is the ionisation energy of h and be3+

Answer 1

The ionization energy is the amount of energy required completely remove the
electron from the atom when it is in the ground state.
Eionization = E∞ − E1 = 0 − E1 = −E1
That is, the ionization energy is simply the negative of the ground state energy.
For the Be3+ ion the ionization energy is 217.6 eV. Again, this is 16 times larger
than the ionization energy for the hydrogen atom.


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Answer 2

Ionization energy of hydrogen is1310 kJ/mol

Ionization energy of Be3+ is 21,006.6 kJ/mol

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