Barium is an element in group 2, period 6 of the periodic table. What does this indicate about its properties

Question

(1 point)
Responses

It has 2 valence electrons and is a non reactive gas

It has 6 valence electrons and is soft and crumbly

It has 6 valence electrons and is a semimetal.

It has 2 valence electrons and is highly reactive.

Answer 1

The correct response regarding barium's properties is:

It has 2 valence electrons and is highly reactive.

Barium is an alkaline earth metal, which means it has 2 valence electrons. Group 2 elements are known for their high reactivity, particularly with water and acids.