1.1 The elements with the lowest ionization energy of all element are
O The noble gases
O The alkali metals
O The alkaline earth metals
O The halogens

Respuesta :

Answer:

O The alkali metals

The elements with the lowest ionization energy of all element are alakli metals

Explanation:

According to research,

The element with the lowest ionization energy is cesium (Cs). Cesium has atomic number 55 and is in the fifth row of the periodic table.

Caesium is a soft, silvery-golden alkali metal .