Final answer:
Francium is in Group 1, known as the Alkali Metals, which are highly reactive metals that react violently with water.
Step-by-step explanation:
The soft metal francium is part of Group 1 in the periodic table, which is known as the Alkali Metals.
The Alkali Metals also include lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs).
These metals are highly reactive and can react violently with water.