Which of the following elements are the least reactive or inert?1 pointHalogensAlkali metalsMetalloidsAlkaline earth metalsNoble gases

Which one of the following elements is LEAST chemically reactive?1 pointArNaClFBa

What is the most reactive family on the periodic table?Group of answer choicesnoble gaseshalogensalkali metalsalkaline earth metals

Which group of nonmetals is the most reactive?A.HalogenB.Oxygen familyC.Noble gasesD.Alkali

Which are the most reactive elements of the alkali metals and halogens?A. Lithium and fluorineB. Lithium and iodineC. Caesium and fluorineD. Caesium and iodine

Lithium, sodium and potassium are all Group 1 elements. Determine which is the most reactive. LithiumSodiumPotassiumQuestion 10SavedExplain why you selected this element as the most reactive of the three. Try to use the terms trend, atomic radius and valence electron in your answer.