Helium has the highest ionization energy.
Yes.
boron
It takes more energy to knock off two electrons
8
Two elements
Cl -apex.
Fluorine has the largest first ionization energy among the halogens.
Yes.
boron
The element with the highest first ionization energy in group 14 is carbon.
Chlorine (Cl)
They all lose an electron each and so carry a charge of +1.
Helium has the highest ionization energy.
Helium has the highest first ionization energy and francium has the lowest first ionization energy.
Fluorine has the largest first ionization energy among the halogens.
It takes more energy to knock off two electrons
two elements, hydrogen and helium.