An element $Y||$ that has $6$ orbitals $5$ fully filled, $1$ single electrons

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$($a$)$ What is the element?

$($b$)$ What group is it in$?$

$($c$)$ What period is it in$?$

$($d$)$ Is it a metal, nonmetal, or metalloid?

$($e$)$ List three properties of this substance?

$($f$)$ Predict the element$($s$)$ that have the same chemical properties as element Y$,$ Explain

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$($g$)$ How many valence electrons $($electrons in the outermost shell$)$ does it have?