Which of the following has the highest electr | vedclass

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(B) Electropositive character increases down a group and decreases across a period in the periodic table.$Cs$ (Cesium) is an alkali metal located in G

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$Cs$

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(B) Electropositive character increases down a group and decreases across a period in the periodic table.$Cs$ (Cesium) is an alkali metal located in Group $1$ and Period $6$.$Ba$ (Barium) is an alkaline earth metal in Group $2$ and Period $6$.$Cu$ and $Cr$ are transition metals.Since alkali metals have the lowest ionization energy in their respective periods,$Cs$ is the most electropositive element among the given options.

Which of the following has the highest electropositive character?

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