Question

question 11 (1 point) listen which of the following is an alkali metal? a) rubidium (rb) b) sodium (na) c) zinc (zn) d) aluminum (al) e) barium (ba) f) magnesium (mg)

Explanation:

Alkali metals are elements in Group 1 of the periodic table. Rubidium (Rb) and sodium (Na) belong to Group 1, while zinc (Zn) is a transition metal, aluminum (Al) is a post-transition metal, and barium (Ba), magnesium (Mg) are alkaline earth metals (Group 2).

Answer:

a) rubidium (Rb)
b) sodium (Na)