Which of the following metals is the most ele | vedclass

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(B) The electropositive character of an element increases down a group and decreases across a period from left to right in the periodic table.$Be$ is

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$Rb$

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(B) The electropositive character of an element increases down a group and decreases across a period from left to right in the periodic table.$Be$ is in group $2$,period $2$.$Rb$ is in group $1$,period $5$.$Mn$ is a transition metal in period $4$.$Tl$ is in group $13$,period $6$.Among the given options,$Rb$ (Rubidium) is an alkali metal belonging to group $1$,which are the most electropositive elements in the periodic table. Therefore,$Rb$ is the most electropositive.

Which of the following metals is the most electropositive (metallic) in nature?

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