Question

part a
which elements are alkali metals?
check all that apply:
iron
lithium
potassium
cobalt
scandium

Explanation:

Alkali metals are the elements in Group 1 of the periodic table. Among the options: iron is a transition metal, lithium is in Group 1, potassium is in Group 1, cobalt is a transition metal, scandium is a transition metal.

Answer:

• lithium
• potassium