Question

What properties do all elements in the same column of the periodic table has been have in common?

Answer 1

The property that all the elements in the same column of the periodic table as boron have is: “the same number of valence electrons

Answer 2

$whwn \: placed \: in \: same \: group \\ \: elements \: will \: have \ \\ same \: number \: of \: valance \: electrons \: \\ they \: will \: hve \: same \: valency \: \\ same \: nature \: of \: oxides \: \\ atomic \: size \: will \: increase \: from \: top \: to \: bottom \: \\ mettalic \: character \: will \: increase \: from \: top \: to \: bottom \: \\ \\ \\ hope \: my \: answer \: helps \: you$