Topic
Atomic properties
4 questions tagged Atomic properties — spanning every one of the seven Ws.
which
Which element has the highest first ionization energy?
Helium has the highest first ionization energy of any element, at 24.59 eV.
ChemistryAtomic properties
which
Which element has the lowest first ionization energy?
Francium is usually listed as having the lowest first ionization energy, estimated at about 4.07 eV.
ChemistryAtomic properties
which
Which element has the smallest atomic radius?
Helium has the smallest atomic radius of any element, because its electrons are held extremely close to the nucleus.
ChemistryAtomic properties
what
What is electron affinity?
Electron affinity is the energy change when an atom gains an electron. For many elements, it helps show how strongly they attract extra electrons.
ChemistryAtomic properties