Answer :
Arsenic's atomic number is 33.
Hence his electronic configuration is [tex]1s^22s^22p^63s^23p[/tex] hence his valence electrons are [tex]4s^24p^3[/tex].
5 valence electrons
Hence his electronic configuration is [tex]1s^22s^22p^63s^23p[/tex] hence his valence electrons are [tex]4s^24p^3[/tex].
5 valence electrons