Question

of all the group 13 metals, i am the one with the least mass. who am i? view periodic table tap on an option below to select or deselect an answer. boron (b) gallium (ga) oxygen (o) fluorine (f) aluminum (al) chlorine (cl) zinc (zn) thallium (tl)

Explanation:

Group 13 (boron group) elements include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl). Among these, boron has the lowest atomic mass. Oxygen, fluorine, chlorine, and zinc are not in Group 13, so they are eliminated.

Answer:

Boron (B)