Question

use the periodic table to select the element that best fits each of the following descriptions. alkali metal: aluminum calcium lithium complete halogen: fluorine scandium hydrogen done

Explanation:

Alkali metals are in Group 1 of the periodic table. Lithium is in Group 1. Halogens are in Group 17. Fluorine is in Group 17.

Answer:

Alkali metal: lithium
Halogen: fluorine