Respuesta :

Answer:

Alkali metals (Li, Na, K, Rb, Cs, and Fr)

Explanation:

Answer:

Group 1

Explanation:

  • Alkali metals such as (Lithium, Sodium, Rubidium, Francium, Cesium, etc.) react violently with water
  • They are termed "alkali" due to their nature of forming hydroxides on reacting with water