The metalloid that has five valence electrons in the fourth electron shell is arsenic (As). Arsenic is located in group 15 of the periodic table and has the electron configuration of [Ar] 3d10 4s2 4p3, which gives it five valence electrons (two in the 4s subshell and three in the 4p subshell).
Which metalloid has five valence electrons in the fourth electron shell?
antimony
germanium
selenium
arsenic
1 answer
1 answer