



Antimony (Sb) Antimony is the 51st element in the periodic table and has a symbol of Sb and atomic number of 51. It has an atomic weight of 121.760 and a mass number of 121. Antimony has fifty-one protons and seventy neutrons in its nucleus, and fifty-one electrons in five shells. It is located in group fifteen, period five and block p of the ...



















































antimony (Sb), a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table ). Antimony exists in many allotropic forms (physically distinct conditions that result from different arrangements of the same atoms in molecules or crystals ). Antimony is a lustrous silvery bluish white solid that is very brittle and has a ...




