Question

edpuzzle
lithium
sodium
cesium
francium
hydrogen

Explanation:

The question likely pertains to identifying elements of a specific group (e.g., alkali metals). Lithium (Li), Sodium (Na), Cesium (Cs), and Francium (Fr) are alkali metals (Group 1 excluding Hydrogen, which is not an alkali metal). So the correct options are the ones representing alkali metals.

Answer:

A. Lithium, B. Sodium, C. Cesium, D. Francium