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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

User Shushan
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1 Answer

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Answer:

O The alkali metals

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

Step-by-step 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 .

User Andrew Glukhoff
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